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

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 17:45 Denver (DEN) 22:55 Buffalo (BUF)
United Airlines UA 1593 Non-stop Boeing 737-800 (738) 3:10 Effective 2025-06-26 through 2025-07-31
Daily 17:45 Denver (DEN) 22:55 Buffalo (BUF)
United Airlines UA 1800 Non-stop Boeing 737-800 (738) 3:10 Effective 2025-08-01 through 2025-08-18
Daily 17:30 Denver (DEN) 22:45 Buffalo (BUF)
United Airlines UA 2473 Non-stop Boeing 737-800 (738) 3:15 Effective 2025-08-19 through 2025-09-24
Daily 17:30 Denver (DEN) 22:45 Buffalo (BUF)
United Airlines UA 2473 Non-stop Boeing 737-800 (738) 3:15 Effective from 2025-10-26
Daily 17:35 Denver (DEN) 22:45 Buffalo (BUF)
United Airlines UA 2473 Non-stop Airbus A320 (320) 3:10 Effective 2025-05-22 through 2025-06-25
Daily 17:40 Denver (DEN) 22:56 Buffalo (BUF)
United Airlines UA 2473 Non-stop Boeing 737-800 (738) 3:16 Effective 2025-09-25 through 2025-10-25


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

Effective 2025-06-26 through 2025-07-31
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:10, non-stop
Boeing 737-800 (738)

Effective 2025-08-01 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:10, non-stop
Boeing 737-800 (738)

Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:15, non-stop
Boeing 737-800 (738)

Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:15, non-stop
Boeing 737-800 (738)

Effective 2025-05-22 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:10, non-stop
Airbus A320 (320)

Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:16, 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 3:10 and 3:16.