United Airlines
flight
UA 4278:
Multiple routes
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4278
Operates only on 2026-02-12
Mon
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Tue
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Wed
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Thu
Fri
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Sat
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Sun
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Duration: 1:35, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4278
Operates only on 2026-01-06
Mon
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Tue
Wed
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Thu
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Fri
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Sat
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Sun
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Duration: 1:19, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4278
Effective 2026-03-07 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: 1:29, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4278
Effective 2026-03-05 through 2026-03-27
Mon
Tue
Wed
Thu
Fri
Sat
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-
Sun
Duration: 1:08, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4278
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:57, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4278
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:57, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
This flight number is listed as serving the following routes:
- Houston George Bush (IAH) - Tampico (TAM)
- Lafayette (LFT) - Houston George Bush (IAH)
- Syracuse (SYR) - Washington Dulles (IAD)
- Washington Dulles (IAD) - Hartford (BDL)
- Washington Dulles (IAD) - Richmond (RIC)