Southwest Airlines flight WN 644: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sun 07:30 Dallas Love Field (DAL) 1 09:15 San Francisco (SFO) 2
WN 644 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2026-04-12 through 2026-05-17
Sun 07:30 Dallas Love Field (DAL) 1 09:15 San Francisco (SFO) 2
WN 644 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Operates only on 2026-05-31
Sat 07:40 Dallas Love Field (DAL) 1 09:25 San Francisco (SFO) 2
WN 644 Non-stop Boeing 737-700 (Scimitar Winglets) 3:45 Effective 2026-04-11 through 2026-05-30
Sun 07:45 Omaha (OMA) 09:35 Nashville (BNA)
WN 644 Non-stop Boeing 737-800 (73H) 1:50 Effective 2026-08-09 through 2026-09-27
Mon,Thu,Fri 08:05 Dallas Love Field (DAL) 1 09:50 San Francisco (SFO) 2
WN 644 Non-stop Boeing 737-700 (Scimitar Winglets) 3:45 Effective 2026-04-09 through 2026-06-01
Mon,Thu,Fri 08:10 Denver (DEN) 09:15 Phoenix Sky Harbor (PHX) 4
WN 644 Non-stop Boeing 737-700 (Scimitar Winglets) 2:05 Effective 2026-08-06 through 2026-09-28
Sun 08:55 Austin (AUS) 09:25 El Paso (ELP)
WN 644 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-06-07 through 2026-08-02
Sun 09:00 Dallas Love Field (DAL) 1 10:50 San Francisco (SFO) 2
WN 644 Non-stop Boeing 737 MAX 8 (7M8) 3:50 Operates only on 2026-05-24
Sun 10:00 El Paso (ELP) 13:55 Chicago Midway (MDW)
WN 644 Non-stop Boeing 737-700 (Scimitar Winglets) 2:55 Effective 2026-06-07 through 2026-08-02
Tue,Wed 10:10 Nashville (BNA) 12:45 Pittsburgh (PIT)
WN 644 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2026-08-04 through 2026-09-30
Sat 11:30 Nashville (BNA) 14:00 Pittsburgh (PIT)
WN 644 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Effective 2026-08-08 through 2026-09-26
Mon,Tue,Fri,Sun 11:35 Chicago Midway (MDW) 13:55 San Diego (SAN) 1
WN 644 Non-stop Boeing 737 MAX 8 (7M8) 4:20 Valid until 2026-01-04
Tue,Wed 12:00 Ronald Reagan Washington (DCA) 1 13:15 Saint Louis (STL) 2
WN 644 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2026-06-09 through 2026-07-29
Sat 12:45 Chicago Midway (MDW) 16:45 Fort Lauderdale (FLL) 1
WN 644 Non-stop Boeing 737-800 (73H) 3:00 Effective 2026-01-10 through 2026-02-07
Sat 12:50 Chicago Midway (MDW) 16:30 Orlando (MCO)
WN 644 Non-stop Boeing 737-700 (Scimitar Winglets) 2:40 Effective 2026-06-06 through 2026-08-01
Mon,Thu,Fri 13:00 Sacramento (SMF) B 18:15 Dallas Love Field (DAL) 1
WN 644 Non-stop Boeing 737 MAX 8 (7M8) 3:15 Effective 2026-03-05 through 2026-04-06
Mon,Thu,Fri 13:40 Chicago Midway (MDW) 17:35 Fort Lauderdale (FLL) 1
WN 644 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2026-02-05 through 2026-02-09
Tue,Thu,Sun 13:40 Chicago Midway (MDW) 17:35 Fort Lauderdale (FLL) 1
WN 644 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2026-02-15 through 2026-02-19
Mon 13:40 Chicago Midway (MDW) 17:35 Fort Lauderdale (FLL) 1
WN 644 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2026-02-23 through 2026-03-02
Tue,Wed 13:50 Saint Louis (STL) 2 15:50 Austin (AUS)
WN 644 Non-stop Boeing 737-700 (Scimitar Winglets) 2:00 Effective 2026-06-09 through 2026-07-29
Sat 14:00 Chicago Midway (MDW) 18:00 Fort Lauderdale (FLL) 1
WN 644 Non-stop Boeing 737-800 (73H) 3:00 Effective 2026-02-14 through 2026-02-28
Thu,Fri,Sun 14:05 Chicago Midway (MDW) 18:05 Fort Lauderdale (FLL) 1
WN 644 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2026-01-11 through 2026-01-16
Mon,Sun 14:05 Chicago Midway (MDW) 18:05 Fort Lauderdale (FLL) 1
WN 644 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Effective 2026-01-19 through 2026-01-25
Sun 14:05 Chicago Midway (MDW) 18:05 Fort Lauderdale (FLL) 1
WN 644 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Operates only on 2026-02-01
Mon 14:15 San Antonio (SAT) A 16:25 Saint Louis (STL) 2
WN 644 Non-stop Boeing 737-800 (73H) 2:10 Operates only on 2026-01-05
Sun 14:35 Chicago Midway (MDW) 17:40 Norfolk (ORF)
WN 644 Non-stop Boeing 737-700 (Scimitar Winglets) 2:05 Effective 2026-06-07 through 2026-08-02
Mon,Thu,Fri 14:40 Chicago Midway (MDW) 18:40 Fort Lauderdale (FLL) 1
WN 644 Non-stop Boeing 737-700 (Scimitar Winglets) 3:00 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 14:40 Chicago Midway (MDW) 18:40 Fort Lauderdale (FLL) 1
WN 644 Non-stop Boeing 737-700 (Scimitar Winglets) 3:00 Effective 2026-02-20 through 2026-03-01
Tue,Wed 16:25 Austin (AUS) 17:35 Midland (MAF)
WN 644 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2026-06-09 through 2026-07-29
Mon-Fri 17:35 Chicago Midway (MDW) 21:30 Fort Lauderdale (FLL) 1
WN 644 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 17:35 Chicago Midway (MDW) 21:30 Fort Lauderdale (FLL) 1
WN 644 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2026-01-18 through 2026-01-23
Mon-Fri 17:35 Chicago Midway (MDW) 21:30 Fort Lauderdale (FLL) 1
WN 644 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2026-01-26 through 2026-02-04
Tue,Wed,Sun 17:35 Chicago Midway (MDW) 21:30 Fort Lauderdale (FLL) 1
WN 644 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2026-02-08 through 2026-02-11
Tue,Wed 17:35 Chicago Midway (MDW) 21:30 Fort Lauderdale (FLL) 1
WN 644 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2026-02-18 through 2026-03-04
Tue,Wed 18:10 Midland (MAF) 18:25 Las Vegas Harry Reid (LAS) 1
WN 644 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2026-06-09 through 2026-07-29
Sun 18:15 Norfolk (ORF) 19:20 Baltimore (BWI)
WN 644 Non-stop Boeing 737-700 (Scimitar Winglets) 1:05 Effective 2026-06-07 through 2026-08-02
Mon,Thu,Fri 18:55 Dallas Love Field (DAL) 1 20:40 Nashville (BNA)
WN 644 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2026-03-05 through 2026-04-06
Tue,Wed 19:40 Dallas Love Field (DAL) 1 21:25 Nashville (BNA)
WN 644 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2026-03-10 through 2026-04-01
Sun 20:25 Dallas Love Field (DAL) 1 22:10 Nashville (BNA)
WN 644 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2026-03-08 through 2026-04-05
Sat 21:20 Dallas Love Field (DAL) 1 23:05 Nashville (BNA)
WN 644 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2026-03-07 through 2026-04-04
Non-Direct Flights:
Sun 08:55 Austin (AUS) 13:55 Chicago Midway (MDW)
WN 644 1-stop Boeing 737-700 (Scimitar Winglets) 5:00 Effective 2026-06-07 through 2026-08-02
Sun 10:00 El Paso (ELP) 17:40 Norfolk (ORF)
WN 644 1-stop Boeing 737-700 (Scimitar Winglets) 5:40 Effective 2026-06-07 through 2026-08-02
Tue,Wed 12:00 Ronald Reagan Washington (DCA) 1 15:50 Austin (AUS)
WN 644 1-stop Boeing 737-700 (Scimitar Winglets) 4:50 Effective 2026-06-09 through 2026-07-29
Mon,Thu,Fri 13:00 Sacramento (SMF) B 20:40 Nashville (BNA)
WN 644 1-stop Boeing 737 MAX 8 (7M8) 5:40 Effective 2026-03-05 through 2026-04-06
Tue,Wed 13:50 Saint Louis (STL) 2 17:35 Midland (MAF)
WN 644 1-stop Boeing 737-700 (Scimitar Winglets) 3:45 Effective 2026-06-09 through 2026-07-29
Sun 14:35 Chicago Midway (MDW) 19:20 Baltimore (BWI)
WN 644 1-stop Boeing 737-700 (Scimitar Winglets) 3:45 Effective 2026-06-07 through 2026-08-02
Tue,Wed 16:25 Austin (AUS) 18:25 Las Vegas Harry Reid (LAS) 1
WN 644 1-stop Boeing 737-700 (Scimitar Winglets) 4:00 Effective 2026-06-09 through 2026-07-29
Sun 08:55 Austin (AUS) 17:40 Norfolk (ORF)
WN 644 2-stop Boeing 737-700 (Scimitar Winglets) 7:45 Effective 2026-06-07 through 2026-08-02
Sun 10:00 El Paso (ELP) 19:20 Baltimore (BWI)
WN 644 2-stop Boeing 737-700 (Scimitar Winglets) 7:20 Effective 2026-06-07 through 2026-08-02
Tue,Wed 12:00 Ronald Reagan Washington (DCA) 1 17:35 Midland (MAF)
WN 644 2-stop Boeing 737-700 (Scimitar Winglets) 6:35 Effective 2026-06-09 through 2026-07-29
Tue,Wed 13:50 Saint Louis (STL) 2 18:25 Las Vegas Harry Reid (LAS) 1
WN 644 2-stop Boeing 737-700 (Scimitar Winglets) 6:35 Effective 2026-06-09 through 2026-07-29
Sun 08:55 Austin (AUS) 19:20 Baltimore (BWI)
WN 644 3-stop Boeing 737-700 (Scimitar Winglets) 9:25 Effective 2026-06-07 through 2026-08-02
Tue,Wed 12:00 Ronald Reagan Washington (DCA) 1 18:25 Las Vegas Harry Reid (LAS) 1
WN 644 3-stop Boeing 737-700 (Scimitar Winglets) 9:25 Effective 2026-06-09 through 2026-07-29
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This flight number is listed as serving the following routes:


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Southwest Airlines flight WN 644: Multiple routes
Ad mobi flat here (320x100px) 6074960173 M FlightWNum Top Flat
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN644
07:30
Dallas Love Field (DAL) 1

09:15
San Francisco (SFO) 2
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN644
07:30
Dallas Love Field (DAL) 1

09:15
San Francisco (SFO) 2
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN644
07:40
Dallas Love Field (DAL) 1

09:25
San Francisco (SFO) 2
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN644
07:45
Omaha (OMA)

09:35
Nashville (BNA)
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:50, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN644
08:05
Dallas Love Field (DAL) 1

09:50
San Francisco (SFO) 2
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN644
08:10
Denver (DEN)

09:15
Phoenix Sky Harbor (PHX) 4
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN644
08:55
Austin (AUS)

09:25
El Paso (ELP)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN644
09:00
Dallas Love Field (DAL) 1

10:50
San Francisco (SFO) 2
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:50, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN644
10:00
El Paso (ELP)

13:55
Chicago Midway (MDW)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:55, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN644
10:10
Nashville (BNA)

12:45
Pittsburgh (PIT)
Effective 2026-08-04 through 2026-09-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN644
11:30
Nashville (BNA)

14:00
Pittsburgh (PIT)
Effective 2026-08-08 through 2026-09-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN644
11:35
Chicago Midway (MDW)

13:55
San Diego (SAN) 1
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 4:20, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN644
12:00
Ronald Reagan Washington (DCA) 1

13:15
Saint Louis (STL) 2
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN644
12:45
Chicago Midway (MDW)

16:45
Fort Lauderdale (FLL) 1
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:00, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN644
12:50
Chicago Midway (MDW)

16:30
Orlando (MCO)
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN644
13:00
Sacramento (SMF) B

18:15
Dallas Love Field (DAL) 1
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN644
13:40
Chicago Midway (MDW)

17:35
Fort Lauderdale (FLL) 1
Effective 2026-02-05 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN644
13:40
Chicago Midway (MDW)

17:35
Fort Lauderdale (FLL) 1
Effective 2026-02-15 through 2026-02-19
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN644
13:40
Chicago Midway (MDW)

17:35
Fort Lauderdale (FLL) 1
Effective 2026-02-23 through 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN644
13:50
Saint Louis (STL) 2

15:50
Austin (AUS)
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN644
14:00
Chicago Midway (MDW)

18:00
Fort Lauderdale (FLL) 1
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:00, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN644
14:05
Chicago Midway (MDW)

18:05
Fort Lauderdale (FLL) 1
Effective 2026-01-11 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN644
14:05
Chicago Midway (MDW)

18:05
Fort Lauderdale (FLL) 1
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN644
14:05
Chicago Midway (MDW)

18:05
Fort Lauderdale (FLL) 1
Operates only on 2026-02-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:00, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN644
14:15
San Antonio (SAT) A

16:25
Saint Louis (STL) 2
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:10, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN644
14:35
Chicago Midway (MDW)

17:40
Norfolk (ORF)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN644
14:40
Chicago Midway (MDW)

18:40
Fort Lauderdale (FLL) 1
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:00, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN644
14:40
Chicago Midway (MDW)

18:40
Fort Lauderdale (FLL) 1
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:00, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN644
16:25
Austin (AUS)

17:35
Midland (MAF)
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN644
17:35
Chicago Midway (MDW)

21:30
Fort Lauderdale (FLL) 1
Effective 2026-01-06 through 2026-01-14
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN644
17:35
Chicago Midway (MDW)

21:30
Fort Lauderdale (FLL) 1
Effective 2026-01-18 through 2026-01-23
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN644
17:35
Chicago Midway (MDW)

21:30
Fort Lauderdale (FLL) 1
Effective 2026-01-26 through 2026-02-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN644
17:35
Chicago Midway (MDW)

21:30
Fort Lauderdale (FLL) 1
Effective 2026-02-08 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN644
17:35
Chicago Midway (MDW)

21:30
Fort Lauderdale (FLL) 1
Effective 2026-02-18 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:55, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN644
18:10
Midland (MAF)

18:25
Las Vegas Harry Reid (LAS) 1
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN644
18:15
Norfolk (ORF)

19:20
Baltimore (BWI)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:05, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN644
18:55
Dallas Love Field (DAL) 1

20:40
Nashville (BNA)
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN644
19:40
Dallas Love Field (DAL) 1

21:25
Nashville (BNA)
Effective 2026-03-10 through 2026-04-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN644
20:25
Dallas Love Field (DAL) 1

22:10
Nashville (BNA)
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN644
21:20
Dallas Love Field (DAL) 1

23:05
Nashville (BNA)
Effective 2026-03-07 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN644
08:55
Austin (AUS)

13:55
Chicago Midway (MDW)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:00, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN644
10:00
El Paso (ELP)

17:40
Norfolk (ORF)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:40, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN644
12:00
Ronald Reagan Washington (DCA) 1

15:50
Austin (AUS)
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:50, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN644
13:00
Sacramento (SMF) B

20:40
Nashville (BNA)
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 5:40, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN644
13:50
Saint Louis (STL) 2

17:35
Midland (MAF)
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:45, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN644
14:35
Chicago Midway (MDW)

19:20
Baltimore (BWI)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:45, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN644
16:25
Austin (AUS)

18:25
Las Vegas Harry Reid (LAS) 1
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:00, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN644
08:55
Austin (AUS)

17:40
Norfolk (ORF)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 7:45, 2-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN644
10:00
El Paso (ELP)

19:20
Baltimore (BWI)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 7:20, 2-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN644
12:00
Ronald Reagan Washington (DCA) 1

17:35
Midland (MAF)
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:35, 2-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN644
13:50
Saint Louis (STL) 2

18:25
Las Vegas Harry Reid (LAS) 1
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:35, 2-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN644
08:55
Austin (AUS)

19:20
Baltimore (BWI)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 9:25, 3-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN644
12:00
Ronald Reagan Washington (DCA) 1

18:25
Las Vegas Harry Reid (LAS) 1
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 9:25, 3-stop
Boeing 737-700 (Scimitar Winglets)
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This flight number is listed as serving the following routes:
  • Austin (AUS) - Baltimore (BWI)
  • Austin (AUS) - Chicago Midway (MDW)
  • Austin (AUS) - El Paso (ELP)
  • Austin (AUS) - Las Vegas Harry Reid (LAS)
  • Austin (AUS) - Midland (MAF)
  • Austin (AUS) - Norfolk (ORF)
  • Chicago Midway (MDW) - Baltimore (BWI)
  • Chicago Midway (MDW) - Fort Lauderdale (FLL)
  • Chicago Midway (MDW) - Norfolk (ORF)
  • Chicago Midway (MDW) - Orlando (MCO)
  • Chicago Midway (MDW) - San Diego (SAN)
  • Dallas Love Field (DAL) - Nashville (BNA)
  • Dallas Love Field (DAL) - San Francisco (SFO)
  • Denver (DEN) - Phoenix Sky Harbor (PHX)
  • El Paso (ELP) - Baltimore (BWI)
  • El Paso (ELP) - Chicago Midway (MDW)
  • El Paso (ELP) - Norfolk (ORF)
  • Midland (MAF) - Las Vegas Harry Reid (LAS)
  • Nashville (BNA) - Pittsburgh (PIT)
  • Norfolk (ORF) - Baltimore (BWI)
  • Omaha (OMA) - Nashville (BNA)
  • Ronald Reagan Washington (DCA) - Austin (AUS)
  • Ronald Reagan Washington (DCA) - Las Vegas Harry Reid (LAS)
  • Ronald Reagan Washington (DCA) - Midland (MAF)
  • Ronald Reagan Washington (DCA) - Saint Louis (STL)
  • Sacramento (SMF) - Dallas Love Field (DAL)
  • Sacramento (SMF) - Nashville (BNA)
  • Saint Louis (STL) - Austin (AUS)
  • Saint Louis (STL) - Las Vegas Harry Reid (LAS)
  • Saint Louis (STL) - Midland (MAF)
  • San Antonio (SAT) - Saint Louis (STL)
All Southwest Airlines flights
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