United Airlines
flight
UA 4890:
Houston George Bush - Knoxville
Houston George Bush - Knoxville
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA4890
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:17, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4890
Effective from 2026-05-21
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:17, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4890
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
-
-
Sun
Duration: 2:15, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4890
Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:15, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4890
Effective 2026-02-12 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:15, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Direct Flights:
United Airlines UA4890
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:19, non-stop
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
Embraer ERJ 135 / ERJ 140 / ERJ 145 (ERJ)
- UA 4890 is a domestic flight departing from the Houston George Bush airport (IAH) and arriving at Knoxville airport (TYS).
- The flight distance is 770 miles, or 1239 km.
- The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-5 . 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 2:15 and 2:19.