United Airlines flight UA 2456: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Tue,Wed,Fri,Sun 14:56 Nashville (BNA) 17:25 Houston George Bush (IAH) C
UA 2456 Non-stop Boeing 737 MAX 8 (7M8) 2:29 Valid until 2026-01-04
Mon 14:58 Nashville (BNA) 17:25 Houston George Bush (IAH) C
UA 2456 Non-stop Boeing 737-900 (739) 2:27 Operates only on 2026-01-05
Daily 15:06 Orlando (MCO) B 16:54 Houston George Bush (IAH) C
UA 2456 Non-stop Boeing 737-900 (739) 2:48 Effective 2026-04-30 through 2026-05-20
Daily 15:10 Orlando (MCO) B 16:58 Houston George Bush (IAH) C
UA 2456 Non-stop Boeing 737-900 (739) 2:48 Effective 2026-03-29 through 2026-04-29
Daily 15:15 Orlando (MCO) B 17:08 Houston George Bush (IAH) C
UA 2456 Non-stop Boeing 737-900 (739) 2:53 Effective 2026-03-05 through 2026-03-28
Daily 15:17 Orlando (MCO) B 17:10 Houston George Bush (IAH) C
UA 2456 Non-stop Boeing 737-900 (739) 2:53 Effective 2026-02-12 through 2026-03-04
Daily 15:40 Orlando (MCO) B 17:19 Houston George Bush (IAH) C
UA 2456 Non-stop Boeing 737-900 (739) 2:39 Effective from 2026-05-21
Daily 19:50 Houston George Bush (IAH) C 22:52 Seattle-Tacoma (SEA)
UA 2456 Non-stop Boeing 737 MAX 9 (7M9) 5:02 Valid until 2026-01-05
Daily 19:53 Houston George Bush (IAH) C 22:49 Seattle-Tacoma (SEA)
UA 2456 Non-stop Boeing 737 MAX 9 (7M9) 4:56 Effective 2026-04-30 through 2026-05-20
Daily 19:55 Houston George Bush (IAH) C 22:38 Seattle-Tacoma (SEA)
UA 2456 Non-stop Airbus A320 (320) 4:43 Effective from 2026-10-25
Mon-Thu 19:57 Houston George Bush (IAH) C 22:59 Seattle-Tacoma (SEA)
UA 2456 Non-stop Boeing 737 MAX 9 (7M9) 5:02 Effective 2026-01-06 through 2026-02-02
Fri 19:57 Houston George Bush (IAH) C 22:59 Seattle-Tacoma (SEA)
UA 2456 Non-stop Boeing 737 MAX 8 (7M8) 5:02 Effective 2026-01-09 through 2026-02-06
Sat 19:57 Houston George Bush (IAH) C 23:01 Seattle-Tacoma (SEA)
UA 2456 Non-stop Airbus A319 (319) 5:04 Effective 2026-01-10 through 2026-02-07
Sun 19:57 Houston George Bush (IAH) C 22:59 Seattle-Tacoma (SEA)
UA 2456 Non-stop Boeing 737-900 (739) 5:02 Effective 2026-01-11 through 2026-02-01
Tue,Sun 19:57 Houston George Bush (IAH) C 22:59 Seattle-Tacoma (SEA)
UA 2456 Non-stop Boeing 737-900 (739) 5:02 Effective 2026-02-03 through 2026-02-08
Mon-Thu 19:57 Houston George Bush (IAH) C 22:59 Seattle-Tacoma (SEA)
UA 2456 Non-stop Boeing 737 MAX 9 (7M9) 5:02 Effective 2026-02-04 through 2026-02-11
Mon-Thu 19:57 Houston George Bush (IAH) C 23:00 Seattle-Tacoma (SEA)
UA 2456 Non-stop Boeing 737 MAX 9 (7M9) 5:03 Effective 2026-02-12 through 2026-03-04
Sat 19:57 Houston George Bush (IAH) C 23:03 Seattle-Tacoma (SEA)
UA 2456 Non-stop Airbus A319 (319) 5:06 Effective 2026-02-14 through 2026-02-28
Daily 19:57 Houston George Bush (IAH) C 22:59 Seattle-Tacoma (SEA)
UA 2456 Non-stop Boeing 737 MAX 9 (7M9) 5:02 Effective 2026-03-05 through 2026-03-28
Daily 19:57 Houston George Bush (IAH) C 22:53 Seattle-Tacoma (SEA)
UA 2456 Non-stop Boeing 737 MAX 9 (7M9) 4:56 Effective 2026-03-29 through 2026-04-29
Fri 20:01 Houston George Bush (IAH) C 23:07 Seattle-Tacoma (SEA)
UA 2456 Non-stop Airbus A319 (319) 5:06 Effective 2026-02-13 through 2026-02-27
Daily 20:05 Houston George Bush (IAH) C 22:48 Seattle-Tacoma (SEA)
UA 2456 Non-stop Airbus A320 (320) 4:43 Effective 2026-05-21 through 2026-10-24
Sun 20:17 Houston George Bush (IAH) C 23:23 Seattle-Tacoma (SEA)
UA 2456 Non-stop Airbus A319 (319) 5:06 Effective 2026-02-15 through 2026-03-01
Non-Direct Flights:
Tue,Wed,Fri,Sun 14:56 Nashville (BNA) 22:52 Seattle-Tacoma (SEA)
UA 2456 1-stop Boeing 737 MAX 8 (7M8) 9:56 Valid until 2026-01-04
Mon 14:58 Nashville (BNA) 22:52 Seattle-Tacoma (SEA)
UA 2456 1-stop Boeing 737-900 (739) 9:54 Operates only on 2026-01-05
Daily 15:06 Orlando (MCO) B 22:49 Seattle-Tacoma (SEA)
UA 2456 1-stop Boeing 737-900 (739) 10:43 Effective 2026-04-30 through 2026-05-20
Daily 15:10 Orlando (MCO) B 22:53 Seattle-Tacoma (SEA)
UA 2456 1-stop Boeing 737-900 (739) 10:43 Effective 2026-03-29 through 2026-04-29
Daily 15:15 Orlando (MCO) B 22:59 Seattle-Tacoma (SEA)
UA 2456 1-stop Boeing 737-900 (739) 10:44 Effective 2026-03-05 through 2026-03-28
Mon-Thu 15:17 Orlando (MCO) B 23:00 Seattle-Tacoma (SEA)
UA 2456 1-stop Boeing 737-900 (739) 10:43 Effective 2026-02-12 through 2026-03-04
Fri 15:17 Orlando (MCO) B 23:07 Seattle-Tacoma (SEA)
UA 2456 1-stop Boeing 737-900 (739) 10:50 Effective 2026-02-13 through 2026-02-27
Sat 15:17 Orlando (MCO) B 23:03 Seattle-Tacoma (SEA)
UA 2456 1-stop Boeing 737-900 (739) 10:46 Effective 2026-02-14 through 2026-02-28
Sun 15:17 Orlando (MCO) B 23:23 Seattle-Tacoma (SEA)
UA 2456 1-stop Boeing 737-900 (739) 11:06 Effective 2026-02-15 through 2026-03-01
Daily 15:40 Orlando (MCO) B 22:48 Seattle-Tacoma (SEA)
UA 2456 1-stop Boeing 737-900 (739) 10:08 Effective 2026-05-21 through 2026-10-24
Daily 15:40 Orlando (MCO) B 22:38 Seattle-Tacoma (SEA)
UA 2456 1-stop Boeing 737-900 (739) 9:58 Effective from 2026-10-25
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This flight number is listed as serving the following routes:


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United Airlines flight UA 2456: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA2456
14:56
Nashville (BNA)

17:25
Houston George Bush (IAH) C
Valid until 2026-01-04
Mon
-
Tue
Wed
Thu
-
Fri
Sat
-
Sun
Duration: 2:29, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA2456
14:58
Nashville (BNA)

17:25
Houston George Bush (IAH) C
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:27, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA2456
15:06
Orlando (MCO) B

16:54
Houston George Bush (IAH) C
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:48, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA2456
15:10
Orlando (MCO) B

16:58
Houston George Bush (IAH) C
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:48, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA2456
15:15
Orlando (MCO) B

17:08
Houston George Bush (IAH) C
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:53, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA2456
15:17
Orlando (MCO) B

17:10
Houston George Bush (IAH) C
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:53, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA2456
15:40
Orlando (MCO) B

17:19
Houston George Bush (IAH) C
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:39, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA2456
19:50
Houston George Bush (IAH) C

22:52
Seattle-Tacoma (SEA)
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:02, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA2456
19:53
Houston George Bush (IAH) C

22:49
Seattle-Tacoma (SEA)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:56, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA2456
19:55
Houston George Bush (IAH) C

22:38
Seattle-Tacoma (SEA)
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:43, non-stop
Airbus A320 (320)
Direct Flights:
United Airlines UA2456
19:57
Houston George Bush (IAH) C

22:59
Seattle-Tacoma (SEA)
Effective 2026-01-06 through 2026-02-02
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 5:02, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA2456
19:57
Houston George Bush (IAH) C

22:59
Seattle-Tacoma (SEA)
Effective 2026-01-09 through 2026-02-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 5:02, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA2456
19:57
Houston George Bush (IAH) C

23:01
Seattle-Tacoma (SEA)
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:04, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA2456
19:57
Houston George Bush (IAH) C

22:59
Seattle-Tacoma (SEA)
Effective 2026-01-11 through 2026-02-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:02, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA2456
19:57
Houston George Bush (IAH) C

22:59
Seattle-Tacoma (SEA)
Effective 2026-02-03 through 2026-02-08
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:02, non-stop
Boeing 737-900 (739)
Direct Flights:
United Airlines UA2456
19:57
Houston George Bush (IAH) C

22:59
Seattle-Tacoma (SEA)
Effective 2026-02-04 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 5:02, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA2456
19:57
Houston George Bush (IAH) C

23:00
Seattle-Tacoma (SEA)
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 5:03, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA2456
19:57
Houston George Bush (IAH) C

23:03
Seattle-Tacoma (SEA)
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:06, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA2456
19:57
Houston George Bush (IAH) C

22:59
Seattle-Tacoma (SEA)
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:02, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA2456
19:57
Houston George Bush (IAH) C

22:53
Seattle-Tacoma (SEA)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:56, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
United Airlines UA2456
20:01
Houston George Bush (IAH) C

23:07
Seattle-Tacoma (SEA)
Effective 2026-02-13 through 2026-02-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 5:06, non-stop
Airbus A319 (319)
Direct Flights:
United Airlines UA2456
20:05
Houston George Bush (IAH) C

22:48
Seattle-Tacoma (SEA)
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:43, non-stop
Airbus A320 (320)
Direct Flights:
United Airlines UA2456
20:17
Houston George Bush (IAH) C

23:23
Seattle-Tacoma (SEA)
Effective 2026-02-15 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:06, non-stop
Airbus A319 (319)
Non-Direct Flights:
United Airlines UA2456
14:56
Nashville (BNA)

22:52
Seattle-Tacoma (SEA)
Valid until 2026-01-04
Mon
-
Tue
Wed
Thu
-
Fri
Sat
-
Sun
Duration: 9:56, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
United Airlines UA2456
14:58
Nashville (BNA)

22:52
Seattle-Tacoma (SEA)
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 9:54, 1-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA2456
15:06
Orlando (MCO) B

22:49
Seattle-Tacoma (SEA)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:43, 1-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA2456
15:10
Orlando (MCO) B

22:53
Seattle-Tacoma (SEA)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:43, 1-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA2456
15:15
Orlando (MCO) B

22:59
Seattle-Tacoma (SEA)
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:44, 1-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA2456
15:17
Orlando (MCO) B

23:00
Seattle-Tacoma (SEA)
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 10:43, 1-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA2456
15:17
Orlando (MCO) B

23:07
Seattle-Tacoma (SEA)
Effective 2026-02-13 through 2026-02-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 10:50, 1-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA2456
15:17
Orlando (MCO) B

23:03
Seattle-Tacoma (SEA)
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 10:46, 1-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA2456
15:17
Orlando (MCO) B

23:23
Seattle-Tacoma (SEA)
Effective 2026-02-15 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 11:06, 1-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA2456
15:40
Orlando (MCO) B

22:48
Seattle-Tacoma (SEA)
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 10:08, 1-stop
Boeing 737-900 (739)
Non-Direct Flights:
United Airlines UA2456
15:40
Orlando (MCO) B

22:38
Seattle-Tacoma (SEA)
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 9:58, 1-stop
Boeing 737-900 (739)
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Parallax here -
This flight number is listed as serving the following routes:
  • Houston George Bush (IAH) - Seattle-Tacoma (SEA)
  • Nashville (BNA) - Houston George Bush (IAH)
  • Nashville (BNA) - Seattle-Tacoma (SEA)
  • Orlando (MCO) - Houston George Bush (IAH)
  • Orlando (MCO) - Seattle-Tacoma (SEA)
All United Airlines flights
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