United Airlines flight UA 1634: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 09:22 Dallas Fort Worth (DFW) E 11:57 Chicago O'Hare (ORD) 1
UA 1634 Non-stop Boeing 737-800 (738) 2:35 Effective 2026-04-30 through 2026-05-20
Daily 10:00 Dallas Fort Worth (DFW) E 12:35 Chicago O'Hare (ORD) 1
UA 1634 Non-stop Boeing 737-800 (738) 2:35 Effective 2026-03-29 through 2026-04-29
Daily 10:15 Dallas Fort Worth (DFW) E 12:51 Chicago O'Hare (ORD) 1
UA 1634 Non-stop Boeing 737-800 (738) 2:36 Effective 2026-05-21 through 2026-08-17
Daily 10:15 Dallas Fort Worth (DFW) E 12:50 Chicago O'Hare (ORD) 1
UA 1634 Non-stop Boeing 737-800 (738) 2:35 Effective from 2026-08-18
Fri 10:38 Dallas Fort Worth (DFW) E 13:04 Chicago O'Hare (ORD) 1
UA 1634 Non-stop Boeing 737-900 (739) 2:26 Operates only on 2026-02-13
Mon-Fri,Sun 10:44 Dallas Fort Worth (DFW) E 13:14 Chicago O'Hare (ORD) 1
UA 1634 Non-stop Airbus A319 (319) 2:30 Valid until 2026-01-04
Tue,Thu 10:48 Dallas Fort Worth (DFW) E 13:15 Chicago O'Hare (ORD) 1
UA 1634 Non-stop Airbus A319 (319) 2:27 Effective 2026-02-12 through 2026-03-03
Sun 10:48 Dallas Fort Worth (DFW) E 13:15 Chicago O'Hare (ORD) 1
UA 1634 Non-stop Airbus A320 (320) 2:27 Effective 2026-02-15 through 2026-03-01
Mon,Wed,Fri 10:48 Dallas Fort Worth (DFW) E 13:15 Chicago O'Hare (ORD) 1
UA 1634 Non-stop Airbus A319 (319) 2:27 Effective 2026-02-16 through 2026-03-04
Mon-Fri 10:49 Dallas Fort Worth (DFW) E 13:15 Chicago O'Hare (ORD) 1
UA 1634 Non-stop Boeing 737-700 (73G) 2:26 Effective 2026-03-05 through 2026-03-17
Mon-Fri 10:49 Dallas Fort Worth (DFW) E 13:15 Chicago O'Hare (ORD) 1
UA 1634 Non-stop Boeing 737-700 (73G) 2:26 Effective 2026-03-19 through 2026-03-27
Wed 10:50 Dallas Fort Worth (DFW) E 13:15 Chicago O'Hare (ORD) 1
UA 1634 Non-stop Airbus A319 (319) 2:25 Operates only on 2026-03-18
Daily 14:15 Chicago O'Hare (ORD) 1 17:36 Savannah (SAV)
UA 1634 Non-stop Airbus A319 (319) 2:21 Effective 2026-04-30 through 2026-10-24
Daily 14:25 Chicago O'Hare (ORD) 1 17:28 Philadelphia (PHL) D
UA 1634 Non-stop Boeing 737-900 (739) 2:03 Valid until 2026-01-04
Mon,Tue,Thu-Sun 14:30 Chicago O'Hare (ORD) 1 17:34 Philadelphia (PHL) D
UA 1634 Non-stop Airbus A320 (320) 2:04 Effective 2026-01-06 through 2026-02-10
Wed 14:30 Chicago O'Hare (ORD) 1 17:33 Philadelphia (PHL) D
UA 1634 Non-stop Boeing 737-700 (73G) 2:03 Operates only on 2026-01-07
Wed 14:30 Chicago O'Hare (ORD) 1 17:33 Philadelphia (PHL) D
UA 1634 Non-stop Boeing 737 MAX 9 (7M9) 2:03 Effective 2026-01-14 through 2026-02-11
Mon,Thu,Fri 15:35 Chicago O'Hare (ORD) 1 19:47 Fort Lauderdale (FLL) 1
UA 1634 Non-stop Boeing 737 MAX 9 (7M9) 3:12 Effective 2026-03-05 through 2026-03-27
Sun 15:37 Chicago O'Hare (ORD) 1 19:49 Fort Lauderdale (FLL) 1
UA 1634 Non-stop Boeing 737 MAX 9 (7M9) 3:12 Effective 2026-03-08 through 2026-03-22
Tue 15:52 Chicago O'Hare (ORD) 1 20:04 Fort Lauderdale (FLL) 1
UA 1634 Non-stop Boeing 737 MAX 9 (7M9) 3:12 Effective 2026-03-10 through 2026-03-24
Sat 16:02 Chicago O'Hare (ORD) 1 20:14 Fort Lauderdale (FLL) 1
UA 1634 Non-stop Boeing 737 MAX 9 (7M9) 3:12 Effective 2026-03-07 through 2026-03-28
Wed 16:10 Chicago O'Hare (ORD) 1 20:22 Fort Lauderdale (FLL) 1
UA 1634 Non-stop Boeing 737 MAX 9 (7M9) 3:12 Effective 2026-03-11 through 2026-03-25
Mon 17:10 Washington Dulles (IAD) 19:43 Las Vegas Harry Reid (LAS) 3
UA 1634 Non-stop Boeing 767-400 (764) 5:33 Operates only on 2026-01-05
Non-Direct Flights:
Daily 09:22 Dallas Fort Worth (DFW) E 17:36 Savannah (SAV)
UA 1634 1-stop Boeing 737-800 (738) 7:14 Effective 2026-04-30 through 2026-05-20
Daily 10:15 Dallas Fort Worth (DFW) E 17:36 Savannah (SAV)
UA 1634 1-stop Boeing 737-800 (738) 6:21 Effective 2026-05-21 through 2026-08-17
Daily 10:15 Dallas Fort Worth (DFW) E 17:36 Savannah (SAV)
UA 1634 1-stop Boeing 737-800 (738) 6:21 Effective 2026-08-18 through 2026-10-24
Mon-Fri,Sun 10:44 Dallas Fort Worth (DFW) E 17:28 Philadelphia (PHL) D
UA 1634 1-stop Airbus A319 (319) 5:44 Valid until 2026-01-04
Mon,Thu,Fri 10:49 Dallas Fort Worth (DFW) E 19:47 Fort Lauderdale (FLL) 1
UA 1634 1-stop Boeing 737-700 (73G) 7:58 Effective 2026-03-05 through 2026-03-27
Tue 10:49 Dallas Fort Worth (DFW) E 20:04 Fort Lauderdale (FLL) 1
UA 1634 1-stop Boeing 737-700 (73G) 8:15 Effective 2026-03-10 through 2026-03-24
Wed 10:49 Dallas Fort Worth (DFW) E 20:22 Fort Lauderdale (FLL) 1
UA 1634 1-stop Boeing 737-700 (73G) 8:33 Operates only on 2026-03-11
Wed 10:49 Dallas Fort Worth (DFW) E 20:22 Fort Lauderdale (FLL) 1
UA 1634 1-stop Boeing 737-700 (73G) 8:33 Operates only on 2026-03-25
Wed 10:50 Dallas Fort Worth (DFW) E 20:22 Fort Lauderdale (FLL) 1
UA 1634 1-stop Airbus A319 (319) 8:32 Operates only on 2026-03-18
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This flight number is listed as serving the following routes:


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United Airlines flight UA 1634: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA1634
09:22
Dallas Fort Worth (DFW) E

11:57
Chicago O'Hare (ORD) 1
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:35, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1634
10:00
Dallas Fort Worth (DFW) E

12:35
Chicago O'Hare (ORD) 1
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:35, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1634
10:15
Dallas Fort Worth (DFW) E

12:51
Chicago O'Hare (ORD) 1
Effective 2026-05-21 through 2026-08-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:36, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1634
10:15
Dallas Fort Worth (DFW) E

12:50
Chicago O'Hare (ORD) 1
Effective from 2026-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:35, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1634
10:38
Dallas Fort Worth (DFW) E

13:04
Chicago O'Hare (ORD) 1
Operates only on 2026-02-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:26, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1634
10:44
Dallas Fort Worth (DFW) E

13:14
Chicago O'Hare (ORD) 1
Valid until 2026-01-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 2:30, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA1634
10:48
Dallas Fort Worth (DFW) E

13:15
Chicago O'Hare (ORD) 1
Effective 2026-02-12 through 2026-03-03
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 2:27, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA1634
10:48
Dallas Fort Worth (DFW) E

13:15
Chicago O'Hare (ORD) 1
Effective 2026-02-15 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 2:27, non-stop
Airbus A320 (320)
Direct Flights:
United Airlines UA1634
10:48
Dallas Fort Worth (DFW) E

13:15
Chicago O'Hare (ORD) 1
Effective 2026-02-16 through 2026-03-04
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Duration: 2:27, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA1634
10:49
Dallas Fort Worth (DFW) E

13:15
Chicago O'Hare (ORD) 1
Effective 2026-03-05 through 2026-03-17
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:26, non-stop
Boeing 737-700 (73G)
Direct Flights:
United Airlines UA1634
10:49
Dallas Fort Worth (DFW) E

13:15
Chicago O'Hare (ORD) 1
Effective 2026-03-19 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 2:26, non-stop
Boeing 737-700 (73G)
Direct Flights:
United Airlines UA1634
10:50
Dallas Fort Worth (DFW) E

13:15
Chicago O'Hare (ORD) 1
Operates only on 2026-03-18
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:25, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA1634
14:15
Chicago O'Hare (ORD) 1

17:36
Savannah (SAV)
Effective 2026-04-30 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:21, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA1634
14:25
Chicago O'Hare (ORD) 1

17:28
Philadelphia (PHL) D
Valid until 2026-01-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:03, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA1634
14:30
Chicago O'Hare (ORD) 1

17:34
Philadelphia (PHL) D
Effective 2026-01-06 through 2026-02-10
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Duration: 2:04, non-stop
Airbus A320 (320)
Direct Flights:
United Airlines UA1634
14:30
Chicago O'Hare (ORD) 1

17:33
Philadelphia (PHL) D
Operates only on 2026-01-07
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:03, non-stop
Boeing 737-700 (73G)
Direct Flights:
United Airlines UA1634
14:30
Chicago O'Hare (ORD) 1

17:33
Philadelphia (PHL) D
Effective 2026-01-14 through 2026-02-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:03, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA1634
15:35
Chicago O'Hare (ORD) 1

19:47
Fort Lauderdale (FLL) 1
Effective 2026-03-05 through 2026-03-27
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:12, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA1634
15:37
Chicago O'Hare (ORD) 1

19:49
Fort Lauderdale (FLL) 1
Effective 2026-03-08 through 2026-03-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:12, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA1634
15:52
Chicago O'Hare (ORD) 1

20:04
Fort Lauderdale (FLL) 1
Effective 2026-03-10 through 2026-03-24
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:12, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA1634
16:02
Chicago O'Hare (ORD) 1

20:14
Fort Lauderdale (FLL) 1
Effective 2026-03-07 through 2026-03-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:12, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA1634
16:10
Chicago O'Hare (ORD) 1

20:22
Fort Lauderdale (FLL) 1
Effective 2026-03-11 through 2026-03-25
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:12, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA1634
17:10
Washington Dulles (IAD)

19:43
Las Vegas Harry Reid (LAS) 3
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:33, non-stop
Boeing 767-400 (764)
Non-Direct Flights:
United Airlines UA1634
09:22
Dallas Fort Worth (DFW) E

17:36
Savannah (SAV)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:14, 1-stop
Boeing 737-800 (738)
Non-Direct Flights:
United Airlines UA1634
10:15
Dallas Fort Worth (DFW) E

17:36
Savannah (SAV)
Effective 2026-05-21 through 2026-08-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:21, 1-stop
Boeing 737-800 (738)
Non-Direct Flights:
United Airlines UA1634
10:15
Dallas Fort Worth (DFW) E

17:36
Savannah (SAV)
Effective 2026-08-18 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:21, 1-stop
Boeing 737-800 (738)
Non-Direct Flights:
United Airlines UA1634
10:44
Dallas Fort Worth (DFW) E

17:28
Philadelphia (PHL) D
Valid until 2026-01-04
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:44, 1-stop
Airbus A319 (319)
Non-Direct Flights:
United Airlines UA1634
10:49
Dallas Fort Worth (DFW) E

19:47
Fort Lauderdale (FLL) 1
Effective 2026-03-05 through 2026-03-27
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 7:58, 1-stop
Boeing 737-700 (73G)
Non-Direct Flights:
United Airlines UA1634
10:49
Dallas Fort Worth (DFW) E

20:04
Fort Lauderdale (FLL) 1
Effective 2026-03-10 through 2026-03-24
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 8:15, 1-stop
Boeing 737-700 (73G)
Non-Direct Flights:
United Airlines UA1634
10:49
Dallas Fort Worth (DFW) E

20:22
Fort Lauderdale (FLL) 1
Operates only on 2026-03-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 8:33, 1-stop
Boeing 737-700 (73G)
Non-Direct Flights:
United Airlines UA1634
10:49
Dallas Fort Worth (DFW) E

20:22
Fort Lauderdale (FLL) 1
Operates only on 2026-03-25
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 8:33, 1-stop
Boeing 737-700 (73G)
Non-Direct Flights:
United Airlines UA1634
10:50
Dallas Fort Worth (DFW) E

20:22
Fort Lauderdale (FLL) 1
Operates only on 2026-03-18
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 8:32, 1-stop
Airbus A319 (319)
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This flight number is listed as serving the following routes:
  • Chicago O'Hare (ORD) - Fort Lauderdale (FLL)
  • Chicago O'Hare (ORD) - Philadelphia (PHL)
  • Chicago O'Hare (ORD) - Savannah (SAV)
  • Dallas Fort Worth (DFW) - Chicago O'Hare (ORD)
  • Dallas Fort Worth (DFW) - Fort Lauderdale (FLL)
  • Dallas Fort Worth (DFW) - Philadelphia (PHL)
  • Dallas Fort Worth (DFW) - Savannah (SAV)
  • Washington Dulles (IAD) - Las Vegas Harry Reid (LAS)
All United Airlines flights
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