United Airlines flight UA 1688: Multiple routes

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 10:07 George Bush, Houston (IAH) C 14:30 Toronto Pearson (YYZ) 1
UA 1688 Non-stop Airbus A319 (319) 3:23 Effective 2025-05-22 through 2025-08-18
Daily 10:11 George Bush, Houston (IAH) C 14:30 Toronto Pearson (YYZ) 1
UA 1688 Non-stop Airbus A319 (319) 3:19 Effective 2025-08-19 through 2025-09-24
Daily 10:17 George Bush, Houston (IAH) C 14:34 Toronto Pearson (YYZ) 1
UA 1688 Non-stop Boeing 737-700 (73G) 3:17 Effective 2025-09-25 through 2025-10-25
Mon 10:41 Jackson (JAC) 12:35 Denver (DEN)
UA 1688 Non-stop Airbus A319 (319) 1:54 Operates only on 2025-05-05
Thu-Sun 13:20 San Francisco (SFO) 3 21:44 Orlando (MCO) B
UA 1688 Non-stop Boeing 737 MAX 9 (7M9) 5:24 Valid until 2025-05-18
Wed 13:26 San Francisco (SFO) 3 21:50 Orlando (MCO) B
UA 1688 Non-stop Boeing 737 MAX 9 (7M9) 5:24 Effective 2025-05-07 through 2025-05-21
Daily 15:50 Kansas City (MCI) 17:37 San Francisco (SFO) 3
UA 1688 Non-stop Airbus A320 (320) 3:47 Effective from 2025-10-26
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This flight number is listed as serving the following routes:
United Airlines flight UA 1688: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

United Airlines UA1688
Effective 2025-05-22 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:23, non-stop
Airbus A319 (319)

United Airlines UA1688
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:19, non-stop
Airbus A319 (319)

United Airlines UA1688
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:17, non-stop
Boeing 737-700 (73G)

United Airlines UA1688
Operates only on 2025-05-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 1:54, non-stop
Airbus A319 (319)

United Airlines UA1688
Valid until 2025-05-18
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 5:24, non-stop
Boeing 737 MAX 9 (7M9)

United Airlines UA1688
Effective 2025-05-07 through 2025-05-21
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:24, non-stop
Boeing 737 MAX 9 (7M9)

United Airlines UA1688
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:47, non-stop
Airbus A320 (320)
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This flight number is listed as serving the following routes:
  • George Bush, Houston (IAH) - Toronto Pearson (YYZ)
  • Jackson (JAC) - Denver (DEN)
  • Kansas City (MCI) - San Francisco (SFO)
  • San Francisco (SFO) - Orlando (MCO)