🇺🇸 DEN
Denver
1357 mi
BUF 🇺🇸
Buffalo

Denver to Buffalo Flights

Denver International Airport Buffalo Niagara International Airport 2 airlines

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The Denver to Buffalo route connects Denver International Airport (DEN) in US with Buffalo Niagara International Airport (BUF) in US. This medium-haul flight covers approximately 1357 miles (2184 km) with a typical flight time of 2h 31m. This route is served by 2 airlines: Southwest, UAL. AirportRoutes has tracked 1 unique flight number on this route.

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Departure Airport

Denver International Airport

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

Destination Airport

Buffalo Niagara International Airport

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

2

Operators

1

Tracked Flight

1357

Miles

2h 31m

Flight Duration

Route Map

Operating Airlines

Airline ICAO IATA
Southwest SWA WN
United UAL UA

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 0 0%
Tuesday 1 20%
Wednesday 2 40%
Thursday 1 20%
Friday 1 20%
Saturday 0 0%
Sunday 0 0%

Pattern Analysis

1 Tracked Flight:
Data Points: 5
API observations used to build this analysis
Weekdays: 5 flights
Weekend: 0 flights

All Flight Routes

2 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
Southwest
SWA / WN
- B38M -
M T W T F S S
Jul 28, 2026 Active
United
UAL / UA
B738 17:55 5:55 PM (Representative)
M T W T F S S
Jun 30, 2026 Active
Total Routes: 2
Active Routes: 2
Unique Airlines: 2
Aircraft Types: 2

Spotted Departure Times

Departure Time Operator ICAO IATA
17:55 5:55 PM United UAL UA

Time Information

Times are shown in the departure airport's local timezone (UTC).

Total Departure Times: 1
Time Range:
17:55 - 17:55
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.