United Airlines
flight
UA 1503:
Multiple routes
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA1503
Effective 2026-03-14 through 2026-03-28
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Duration: 2:17, non-stop
Boeing 737-800 (738)
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1503
Effective from 2026-10-25
Mon
Tue
-
-
Wed
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-
Thu
Fri
Sat
Sun
Duration: 2:17, non-stop
Airbus A320 (320)
Airbus A320 (320)
Direct Flights:
United Airlines UA1503
Valid until 2026-01-03
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Duration: 2:17, non-stop
Boeing 737-800 (738)
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1503
Effective 2026-01-08 through 2026-03-02
Mon
Tue
-
-
Wed
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-
Thu
Fri
Sat
Sun
Duration: 2:18, non-stop
Airbus A320 (320)
Airbus A320 (320)
Direct Flights:
United Airlines UA1503
Operates only on 2026-03-07
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Duration: 2:17, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
Direct Flights:
United Airlines UA1503
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:44, non-stop
Airbus A319 (319)
Airbus A319 (319)
Direct Flights:
United Airlines UA1503
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:44, non-stop
Airbus A319 (319)
Airbus A319 (319)
Direct Flights:
United Airlines UA1503
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:05, non-stop
Boeing 737-900 (739)
Boeing 737-900 (739)
This flight number is listed as serving the following routes:
- Greenville/Spartanburg (GSP) - Denver (DEN)
- Puerto Vallarta (PVR) - Houston George Bush (IAH)
- Seattle-Tacoma (SEA) - Chicago O'Hare (ORD)