🇺🇸 BUF
Buffalo
1357 mi
DEN 🇺🇸
Denver

Buffalo to Denver Flights

Buffalo Niagara International Airport Denver International Airport 3 airlines

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The Buffalo to Denver route connects Buffalo Niagara International Airport (BUF) in US with Denver International Airport (DEN) in US. This medium-haul flight covers approximately 1357 miles (2184 km) with a typical flight time of 3h 7m. This route is served by 3 airlines: United, Southwest, Frontier. AirportRoutes has tracked 5 unique flight numbers on this route.

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Departure Airport

Buffalo Niagara International Airport

ICAO Code:
KBUF
IATA Code:
BUF
City:
🇺🇸 Buffalo
Country:
US
Elevation:
728 ft

Destination Airport

Denver International Airport

ICAO Code:
KDEN
IATA Code:
DEN
City:
🇺🇸 Denver
Country:
US
Elevation:
5431 ft

3

Operators

5

Tracked Flights

1357

Miles

3h 7m

Flight Duration

Route Map

Operating Airlines

Airline ICAO IATA
United UAL UA
Southwest SWA WN
Frontier FFT F9

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 7 16%
Tuesday 4 9%
Wednesday 7 16%
Thursday 7 16%
Friday 9 20%
Saturday 6 14%
Sunday 4 9%

Pattern Analysis

5 Tracked Flights:
Data Points: 44
API observations used to build this analysis
Weekdays: 34 flights
Weekend: 10 flights
Business Route More active on weekdays

All Flight Routes

3 Routes
Note: This table shows aggregated route data by airline. Each airline may operate multiple daily flights at different times. See the "Spotted Departure Times" section below for all observed departure times.
Airline Flight Numbers Aircraft Type Typical Time Days Active Last Seen Status
Frontier
FFT / F9
- A21N -
M T W T F S S
Jun 15, 2026 Active
Southwest
SWA / WN
B38M 10:30 10:30 AM (Representative)
M T W T F S S
Jun 15, 2026 Active
United
UAL / UA
B738 09:00 9:00 AM (Representative)
M T W T F S S
Jun 15, 2026 Active
Total Routes: 3
Active Routes: 3
Unique Airlines: 3
Aircraft Types: 3

Spotted Departure Times

Departure Time Operator ICAO IATA
09:00 9:00 AM United UAL UA
10:30 10:30 AM Southwest SWA WN

Time Information

Times are shown in the departure airport's local timezone (KBUF - America/New_York).

Total Departure Times: 2
Time Range:
09:00 - 10:30
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.