United Airlines
flight
UA 4637:
Multiple routes
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FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4637
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:11, non-stop
Embraer EMB 175 (E7W)
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA4637
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:14, non-stop
Canadair CRJ 700 (CR7)
Canadair CRJ 700 (CR7)
Direct Flights:
United Airlines UA4637
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 1:52, non-stop
Canadair CRJ 700 (CR7)
Canadair CRJ 700 (CR7)
Direct Flights:
United Airlines UA4637
Effective 2026-01-09 through 2026-02-08
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
Sat
Sun
Duration: 1:54, non-stop
Embraer EMB 175 (E7W)
Embraer EMB 175 (E7W)
Direct Flights:
United Airlines UA4637
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:53, non-stop
Canadair CRJ 550 (CR5)
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA4637
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:12, non-stop
Embraer EMB 175 (E7W)
Embraer EMB 175 (E7W)
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Parallax here -
This flight number is listed as serving the following routes:
- Billings (BIL) - Denver (DEN)
- Corpus Christi (CRP) - Houston George Bush (IAH)
- Denver (DEN) - Peoria (PIA)
- Denver (DEN) - Tucson (TUS)