SEA KSEA → DEN KDEN

Seattle–Tacoma International Airport → Denver International Airport

🇺🇸 Seattle, US → 🇺🇸 Denver, US

Departure Airport
Seattle–Tacoma International Airport
ICAO Code:
KSEA
IATA Code:
SEA
City:
🇺🇸 Seattle
Country:
US
Elevation:
433 ft
Destination Airport
Denver International Airport
ICAO Code:
KDEN
IATA Code:
DEN
City:
🇺🇸 Denver
Country:
US
Elevation:
5431 ft

8

Operators

3

Daily Flights

1070

Miles

2h 9m

Flight Duration
Route Map
Operating Airlines
United ICAO: UAL • IATA: UA
Southwest ICAO: SWA • IATA: WN
Alaska Airlines ICAO: ASA • IATA: AS
Delta Air Lines ICAO: DAL • IATA: DL
Frontier ICAO: FFT • IATA: F9
Atlas Air ICAO: GTI • IATA: 5Y
UNKNOWN
Airline ICAO IATA
United UAL UA
Southwest SWA WN
Alaska Airlines ASA AS
Delta Air Lines DAL DL
Frontier FFT F9
Atlas Air GTI 5Y
UNKNOWN - -
Air Transport International, Inc. ATN 8C
Flight Schedule Pattern
Day Flights Observed Frequency Activity
Monday 23 13%
Tuesday 19 11%
Wednesday 27 15%
Thursday 25 14%
Friday 29 17%
Saturday 29 17%
Sunday 23 13%
Pattern Analysis
3 Daily Flights:
UAL2269 SWA2141 SWA734
Data Points: 175
API observations used to build this analysis
Weekdays: 123 flights
Weekend: 52 flights
Business Route More active on weekdays
All Flight Routes
8 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
- B763 -
M T W T F S S
Sep 11, 2025 Active
- B739 11:05 11:05 AM (Representative)
M T W T F S S
Nov 24, 2025 Active
Atlas Air
GTI / 5Y
- B744 11:32 11:32 AM (Representative)
M T W T F S S
Nov 26, 2025 Active
- B738 -
M T W T F S S
Oct 28, 2025 Active
Frontier
FFT / F9
- A21N -
M T W T F S S
Oct 10, 2025 Active
Southwest
SWA / WN
SWA2141 SWA734 B38M 05:40 5:40 AM (Representative)
M T W T F S S
Dec 10, 2025 Active
United
UAL / UA
UAL2269 A21N 05:00 5:00 AM (Representative)
M T W T F S S
Dec 10, 2025 Active
UNKNOWN
- BE30 -
M T W T F S S
Oct 18, 2025 Active
Total Routes: 8
Active Routes: 8
Unique Airlines: 8
Aircraft Types: 8
Spotted Departure Times
Departure Time Operator ICAO IATA
05:00 5:00 AM United UAL UA
05:40 5:40 AM Southwest SWA WN
11:05 11:05 AM Alaska Airlines ASA AS
11:32 11:32 AM Atlas Air GTI 5Y
Time Information

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

Total Departure Times: 4
Time Range:
05:00 - 11:32
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.