Southwest Airlines flight WN 2121: Multiple routes

Ad box here 1220564027 I FlightWNum Top Box
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri,Sun 06:00 Dallas Love Field (DAL) 1 07:05 Denver (DEN)
WN 2121 Non-stop Boeing 737-800 (73H) 2:05 Effective 2026-03-05 through 2026-04-06
Tue,Wed 06:30 Dallas Love Field (DAL) 1 07:30 Denver (DEN)
WN 2121 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Effective 2026-03-10 through 2026-04-01
Sat 06:40 Dallas Love Field (DAL) 1 07:40 Denver (DEN)
WN 2121 Non-stop Boeing 737 MAX 8 (7M8) 2:00 Effective 2026-03-07 through 2026-04-04
Sun 07:30 Kansas City (MCI) 09:10 Nashville (BNA)
WN 2121 Non-stop Boeing 737-700 (Scimitar Winglets) 1:40 Effective 2026-06-07 through 2026-08-02
Mon,Thu,Fri 10:35 Ronald Reagan Washington (DCA) 1 11:50 Nashville (BNA)
WN 2121 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 10:35 Ronald Reagan Washington (DCA) 1 11:50 Nashville (BNA)
WN 2121 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2026-02-20 through 2026-03-01
Mon,Thu,Fri 12:25 Nashville (BNA) 15:10 Long Beach (LGB)
WN 2121 Non-stop Boeing 737-700 (Scimitar Winglets) 4:45 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 12:25 Nashville (BNA) 15:10 Long Beach (LGB)
WN 2121 Non-stop Boeing 737-700 (Scimitar Winglets) 4:45 Effective 2026-02-20 through 2026-03-01
Sat 13:30 Ronald Reagan Washington (DCA) 1 14:35 Nashville (BNA)
WN 2121 Non-stop Boeing 737-700 (Scimitar Winglets) 2:05 Effective 2026-02-14 through 2026-02-28
Sat 15:20 Nashville (BNA) 18:05 Long Beach (LGB)
WN 2121 Non-stop Boeing 737-700 (Scimitar Winglets) 4:45 Effective 2026-02-14 through 2026-02-28
Tue,Wed 15:40 Oakland (OAK) 2 17:10 Las Vegas Harry Reid (LAS) 1
WN 2121 Non-stop Boeing 737 MAX 8 (7M8) 1:30 Effective 2026-04-07 through 2026-06-03
Mon,Thu,Fri 16:05 Oakland (OAK) 2 17:40 Las Vegas Harry Reid (LAS) 1
WN 2121 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2026-04-09 through 2026-06-01
Sat 16:15 Oakland (OAK) 2 17:50 Las Vegas Harry Reid (LAS) 1
WN 2121 Non-stop Boeing 737-800 (73H) 1:35 Effective 2026-04-11 through 2026-05-30
Thu,Fri,Sun 16:35 Denver (DEN) 22:20 Boston Logan (BOS) B
WN 2121 Non-stop Boeing 737-800 (73H) 3:45 Effective 2026-01-11 through 2026-01-16
Mon,Sun 16:35 Denver (DEN) 22:20 Boston Logan (BOS) B
WN 2121 Non-stop Boeing 737-800 (73H) 3:45 Effective 2026-01-19 through 2026-01-25
Thu,Fri,Sun 16:35 Denver (DEN) 22:20 Boston Logan (BOS) B
WN 2121 Non-stop Boeing 737-800 (73H) 3:45 Effective 2026-02-01 through 2026-02-06
Mon,Sun 16:35 Denver (DEN) 22:20 Boston Logan (BOS) B
WN 2121 Non-stop Boeing 737-800 (73H) 3:45 Effective 2026-02-09 through 2026-02-15
Mon,Tue,Thu 16:35 Denver (DEN) 22:20 Boston Logan (BOS) B
WN 2121 Non-stop Boeing 737-800 (73H) 3:45 Effective 2026-02-17 through 2026-02-23
Mon 16:35 Denver (DEN) 22:20 Boston Logan (BOS) B
WN 2121 Non-stop Boeing 737-800 (73H) 3:45 Operates only on 2026-03-02
Mon-Fri 16:45 Denver (DEN) 22:30 Boston Logan (BOS) B
WN 2121 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2026-01-06 through 2026-01-14
Tue-Fri,Sun 16:45 Denver (DEN) 22:30 Boston Logan (BOS) B
WN 2121 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2026-01-18 through 2026-01-23
Mon-Fri 16:45 Denver (DEN) 22:30 Boston Logan (BOS) B
WN 2121 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2026-01-26 through 2026-02-04
Tue,Wed,Sun 16:45 Denver (DEN) 22:30 Boston Logan (BOS) B
WN 2121 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2026-02-08 through 2026-02-11
Tue,Wed 16:45 Denver (DEN) 22:30 Boston Logan (BOS) B
WN 2121 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2026-02-18 through 2026-03-04
Sat 17:10 Denver (DEN) 22:55 Boston Logan (BOS) B
WN 2121 Non-stop Boeing 737-800 (73H) 3:45 Effective 2026-01-10 through 2026-02-07
Sun 17:15 Oakland (OAK) 2 18:50 Las Vegas Harry Reid (LAS) 1
WN 2121 Non-stop Boeing 737 MAX 8 (7M8) 1:35 Operates only on 2026-05-24
Sat 18:30 Las Vegas Harry Reid (LAS) 1 21:15 El Paso (ELP)
WN 2121 Non-stop Boeing 737-800 (73H) 1:45 Effective 2026-04-11 through 2026-05-30
Sat 18:40 Long Beach (LGB) 20:05 Sacramento (SMF) B
WN 2121 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Effective 2026-02-14 through 2026-02-28
Sun 19:10 Oakland (OAK) 2 20:45 Las Vegas Harry Reid (LAS) 1
WN 2121 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Effective 2026-04-12 through 2026-05-17
Sun 19:10 Oakland (OAK) 2 20:45 Las Vegas Harry Reid (LAS) 1
WN 2121 Non-stop Boeing 737-700 (Scimitar Winglets) 1:35 Operates only on 2026-05-31
Sun 19:30 Las Vegas Harry Reid (LAS) 1 21:55 Salt Lake City (SLC)
WN 2121 Non-stop Boeing 737 MAX 8 (7M8) 1:25 Operates only on 2026-05-24
Mon,Thu,Fri 19:55 Las Vegas Harry Reid (LAS) 1 00:40 Austin (AUS)
WN 2121 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2026-08-06 through 2026-09-28
The flight arrives 1 day after departure.
Sun 19:55 Las Vegas Harry Reid (LAS) 1 00:40 Austin (AUS)
WN 2121 Non-stop Boeing 737-800 (73H) 2:45 Effective 2026-08-09 through 2026-09-27
The flight arrives 1 day after departure.
Sat 20:00 Burbank (BUR) 22:30 Phoenix Sky Harbor (PHX) 4
WN 2121 Non-stop Boeing 737-700 (Scimitar Winglets) 1:30 Operates only on 2026-01-03
Mon 20:25 Burbank (BUR) 22:50 Phoenix Sky Harbor (PHX) 4
WN 2121 Non-stop Boeing 737-700 (Scimitar Winglets) 1:25 Operates only on 2026-01-05
Sun 21:25 Las Vegas Harry Reid (LAS) 1 22:35 San Diego (SAN) 1
WN 2121 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Effective 2026-04-12 through 2026-05-17
Sun 21:25 Las Vegas Harry Reid (LAS) 1 22:35 San Diego (SAN) 1
WN 2121 Non-stop Boeing 737-700 (Scimitar Winglets) 1:10 Operates only on 2026-05-31
Non-Direct Flights:
Mon,Thu,Fri 10:35 Ronald Reagan Washington (DCA) 1 15:10 Long Beach (LGB)
WN 2121 1-stop Boeing 737-700 (Scimitar Winglets) 7:35 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 10:35 Ronald Reagan Washington (DCA) 1 15:10 Long Beach (LGB)
WN 2121 1-stop Boeing 737-700 (Scimitar Winglets) 7:35 Effective 2026-02-20 through 2026-03-01
Sat 13:30 Ronald Reagan Washington (DCA) 1 18:05 Long Beach (LGB)
WN 2121 1-stop Boeing 737-700 (Scimitar Winglets) 7:35 Effective 2026-02-14 through 2026-02-28
Sat 15:20 Nashville (BNA) 20:05 Sacramento (SMF) B
WN 2121 1-stop Boeing 737-700 (Scimitar Winglets) 6:45 Effective 2026-02-14 through 2026-02-28
Sat 16:15 Oakland (OAK) 2 21:15 El Paso (ELP)
WN 2121 1-stop Boeing 737-800 (73H) 4:00 Effective 2026-04-11 through 2026-05-30
Sun 17:15 Oakland (OAK) 2 21:55 Salt Lake City (SLC)
WN 2121 1-stop Boeing 737 MAX 8 (7M8) 3:40 Operates only on 2026-05-24
Sun 19:10 Oakland (OAK) 2 22:35 San Diego (SAN) 1
WN 2121 1-stop Boeing 737-700 (Scimitar Winglets) 3:25 Effective 2026-04-12 through 2026-05-17
Sun 19:10 Oakland (OAK) 2 22:35 San Diego (SAN) 1
WN 2121 1-stop Boeing 737-700 (Scimitar Winglets) 3:25 Operates only on 2026-05-31
Sat 13:30 Ronald Reagan Washington (DCA) 1 20:05 Sacramento (SMF) B
WN 2121 2-stop Boeing 737-700 (Scimitar Winglets) 9:35 Effective 2026-02-14 through 2026-02-28
Ad flat here 1377413384 I FlightWNum Lower
Parallax here
This flight number is listed as serving the following routes:
Southwest Airlines flight WN 2121: Multiple routes
Ad mobi flat here (320x100px) 6074960173 M FlightWNum Top Flat
Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Southwest Airlines WN2121
Effective 2026-03-05 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:05, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN2121
Effective 2026-03-10 through 2026-04-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2121
Effective 2026-03-07 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:00, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2121
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:40, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN2121
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN2121
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN2121
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN2121
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 4:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN2121
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN2121
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN2121
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:30, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2121
Effective 2026-04-09 through 2026-06-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN2121
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:35, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN2121
Effective 2026-01-11 through 2026-01-16
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN2121
Effective 2026-01-19 through 2026-01-25
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN2121
Effective 2026-02-01 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 3:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN2121
Effective 2026-02-09 through 2026-02-15
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN2121
Effective 2026-02-17 through 2026-02-23
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN2121
Operates only on 2026-03-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN2121
Effective 2026-01-06 through 2026-01-14
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2121
Effective 2026-01-18 through 2026-01-23
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2121
Effective 2026-01-26 through 2026-02-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2121
Effective 2026-02-08 through 2026-02-11
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2121
Effective 2026-02-18 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2121
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN2121
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2121
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN2121
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN2121
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN2121
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:35, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN2121
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:25, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Southwest Airlines WN2121
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 2:45, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN2121
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:45, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN2121
Operates only on 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 1:30, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN2121
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:25, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN2121
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN2121
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 1:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN2121
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 7:35, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN2121
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 7:35, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN2121
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 7:35, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN2121
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 6:45, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN2121
Effective 2026-04-11 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:00, 1-stop
Boeing 737-800 (73H)

Non-Direct Flights:

Southwest Airlines WN2121
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:40, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

Southwest Airlines WN2121
19:10

22:35
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:25, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN2121
19:10

22:35
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:25, 1-stop
Boeing 737-700 (Scimitar Winglets)

Non-Direct Flights:

Southwest Airlines WN2121
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 9:35, 2-stop
Boeing 737-700 (Scimitar Winglets)
Ad mobi box here (300x250px) 8888825773 M FlightWNum Bottom Box
Parallax here
This flight number is listed as serving the following routes:
  • Burbank (BUR) - Phoenix Sky Harbor (PHX)
  • Dallas Love Field (DAL) - Denver (DEN)
  • Denver (DEN) - Boston Logan (BOS)
  • Kansas City (MCI) - Nashville (BNA)
  • Las Vegas Harry Reid (LAS) - Austin (AUS)
  • Las Vegas Harry Reid (LAS) - El Paso (ELP)
  • Las Vegas Harry Reid (LAS) - Salt Lake City (SLC)
  • Las Vegas Harry Reid (LAS) - San Diego (SAN)
  • Long Beach (LGB) - Sacramento (SMF)
  • Nashville (BNA) - Long Beach (LGB)
  • Nashville (BNA) - Sacramento (SMF)
  • Oakland (OAK) - El Paso (ELP)
  • Oakland (OAK) - Las Vegas Harry Reid (LAS)
  • Oakland (OAK) - Salt Lake City (SLC)
  • Oakland (OAK) - San Diego (SAN)
  • Ronald Reagan Washington (DCA) - Long Beach (LGB)
  • Ronald Reagan Washington (DCA) - Nashville (BNA)
  • Ronald Reagan Washington (DCA) - Sacramento (SMF)