United Airlines
flight
UA 638:
Multiple routes
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FLIGHT SCHEDULE
Direct Flights:
United Airlines UA638
Effective 2025-09-07 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:51, non-stop
Boeing 737 MAX 8 (7M8)
Boeing 737 MAX 8 (7M8)
United Airlines UA638
Effective 2025-10-26 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:48, non-stop
Boeing 757-300 (753)
Boeing 757-300 (753)
United Airlines UA638
Effective 2025-11-02 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:48, non-stop
Boeing 757-300 (753)
Boeing 757-300 (753)
United Airlines UA638
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:48, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
United Airlines UA638
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:48, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
United Airlines UA638
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:38, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
United Airlines UA638
Effective 2025-05-22 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:34, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
United Airlines UA638
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:48, non-stop
Boeing 737 MAX 9 (7M9)
Boeing 737 MAX 9 (7M9)
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Parallax here -
This flight number is listed as serving the following routes:
- Denver (DEN) - Fairbanks (FAI)
- San Francisco (SFO) - Honolulu (HNL)