United Airlines
flight
UA 5421:
Denver - Lubbock
Denver - Lubbock
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA5421
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:37, non-stop
Canadair CRJ 550 (CR5)
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA5421
Effective from 2026-03-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:36, non-stop
Canadair CRJ 550 (CR5)
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA5421
Operates only on 2026-01-06
Mon
-
-
Tue
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
-
-
Duration: 1:39, non-stop
Canadair CRJ (CRJ)
Canadair CRJ (CRJ)
Direct Flights:
United Airlines UA5421
Effective 2026-01-07 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:36, non-stop
Canadair CRJ 550 (CR5)
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA5421
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:37, non-stop
Canadair CRJ 550 (CR5)
Canadair CRJ 550 (CR5)
Direct Flights:
United Airlines UA5421
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 1:40, non-stop
Canadair CRJ (CRJ)
Canadair CRJ (CRJ)
- UA 5421 is a domestic flight departing from the Denver airport (DEN) and arriving at Lubbock airport (LBB).
- The flight distance is 456 miles, or 734 km.
- The timezone of the departure airport is UTC-7 , and the timezone of the arrival airport is UTC-6 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
- For direct flights, the flight time varies between 1:36 and 1:40.