🇺🇸 DEN
Denver
1025 mi
BFI 🇺🇸
Seattle

Denver to Seattle Flights

Denver International Airport Boeing Field King County International Airport 3 airlines

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The Denver to Seattle route connects Denver International Airport (DEN) in US with Boeing Field King County International Airport (BFI) in US. This medium-haul flight covers approximately 1025 miles (1650 km) with a typical flight time of 2h 25m. This route is served by 3 airlines: UPS Airlines, SKW, DAL. AirportRoutes has tracked 3 unique flight numbers 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

Boeing Field King County International Airport

ICAO Code:
KBFI
IATA Code:
BFI
City:
🇺🇸 Seattle
Country:
US
Elevation:
21 ft

3

Operators

3

Tracked Flights

1025

Miles

2h 25m

Flight Duration

Route Map

Operating Airlines

Airline ICAO IATA
United Parcel Service UPS 5X
SkyWest SKW OO
Delta Air Lines DAL DL

Flight Schedule Pattern

Day Flights Observed Frequency Activity
Monday 0 0%
Tuesday 8 24%
Wednesday 10 30%
Thursday 7 21%
Friday 7 21%
Saturday 0 0%
Sunday 1 3%

Pattern Analysis

3 Tracked Flights:
Data Points: 33
API observations used to build this analysis
Weekdays: 32 flights
Weekend: 1 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
B752 23:15 11:15 PM (Representative)
M T W T F S S
Jan 22, 2026 Active
SkyWest
SKW / OO
CRJ2 11:00 11:00 AM (Representative)
M T W T F S S
Feb 15, 2026 Active
B752 03:08 3:08 AM (Representative)
M T W T F S S
Jun 3, 2026 Active
Total Routes: 3
Active Routes: 3
Unique Airlines: 3
Aircraft Types: 3

Spotted Departure Times

Departure Time Operator ICAO IATA
03:08 3:08 AM United Parcel Service UPS 5X
11:00 11:00 AM SkyWest SKW OO
23:15 11:15 PM Delta Air Lines DAL DL

Time Information

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

Total Departure Times: 3
Time Range:
03:08 - 23:15
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.