United Airlines flights from Denver (DEN) to Buffalo (BUF).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 17:55 Denver (DEN) 23:10 Buffalo (BUF)
United Airlines UA 263 Non-stop Boeing 737-800 (738) 3:15 Effective 2026-03-05 through 2026-03-28
Wed 17:44 Denver (DEN) 23:02 Buffalo (BUF)
United Airlines UA 1084 Non-stop Boeing 737-800 (738) 3:18 Operates only on 2026-02-11
Daily 17:30 Denver (DEN) 22:45 Buffalo (BUF)
United Airlines UA 1953 Non-stop Boeing 737-800 (738) 3:15 Effective from 2026-03-29
Daily 17:44 Denver (DEN) 22:59 Buffalo (BUF)
United Airlines UA 2473 Non-stop Boeing 737-800 (738) 3:15 Effective 2026-02-13 through 2026-03-04
Thu 17:46 Denver (DEN) 23:01 Buffalo (BUF)
United Airlines UA 2473 Non-stop Boeing 737-800 (738) 3:15 Operates only on 2026-02-12




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United Airlines flights from Denver (DEN) to Buffalo (BUF).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
United Airlines UA263
17:55
Denver (DEN)

23:10
Buffalo (BUF)
Effective 2026-03-05 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:15, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1084
17:44
Denver (DEN)

23:02
Buffalo (BUF)
Operates only on 2026-02-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:18, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA1953
17:30
Denver (DEN)

22:45
Buffalo (BUF)
Effective from 2026-03-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:15, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA2473
17:44
Denver (DEN)

22:59
Buffalo (BUF)
Effective 2026-02-13 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:15, non-stop
Boeing 737-800 (738)
Direct Flights:
United Airlines UA2473
17:46
Denver (DEN)

23:01
Buffalo (BUF)
Operates only on 2026-02-12
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:15, non-stop
Boeing 737-800 (738)
  • A domestic route departing from the Denver airport (DEN) and arriving at Buffalo airport (BUF).
  • The flight distance is 1355 miles, or 2180 km.
  • The timezone of the departure airport is UTC-7 , 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 3:15 and 3:18.
All DEN-BUF flights
All United Airlines flights
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