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

5

Operators

77

Flights Spotted

1023

Miles

2h 17m

Flight Duration
Route Map
Operating Airlines
United Airlines ICAO: UAL • IATA: UA
Southwest Airlines ICAO: SWA • IATA: WN
Alaska Airlines ICAO: ASA • IATA: AS
Frontier Airlines ICAO: FFT • IATA: F9
Air Transport International ICAO: ATN • IATA: 8C
Airline ICAO IATA
United Airlines UAL UA
Southwest Airlines SWA WN
Alaska Airlines ASA AS
Frontier Airlines FFT F9
Air Transport International ATN 8C
Flight Schedule Pattern
Day Flights Observed Frequency Activity
Monday 10 13%
Tuesday 9 12%
Wednesday 9 12%
Thursday 11 14%
Friday 13 17%
Saturday 11 14%
Sunday 14 18%
Pattern Analysis

Based on 77 flight observations across all operators on this route.

Total Flights Observed: 77
Actual flights spotted on this route
Weekdays: 52 flights
Weekend: 25 flights
Business Route More active on weekdays
All Flight Routes
5 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 Aircraft Type Typical Time Flight Count Days Active Last Seen Status
B739 16:40 4:40 PM (Representative) 11
M T W T F S S
Sep 11, 2025 Active
B763 16:35 4:35 PM (Representative) 1
M T W T F S S
Sep 11, 2025 Active
A20N 06:12 6:12 AM (Representative) 2
M T W T F S S
Sep 5, 2025 Active
B737 05:15 5:15 AM (Representative) 31
M T W T F S S
Sep 17, 2025 Active
B39M 05:02 5:02 AM (Representative) 33
M T W T F S S
Sep 17, 2025 Active
Total Routes: 5
Active Routes: 5
Unique Airlines: 5
Aircraft Types: 5
Spotted Departure Times
Departure Time Operator ICAO IATA
05:02 5:02 AM United Airlines UAL UA
05:15 5:15 AM Southwest Airlines SWA WN
06:12 6:12 AM Frontier Airlines FFT F9
16:35 4:35 PM Air Transport International ATN 8C
16:40 4:40 PM Alaska Airlines ASA AS
Time Information

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

Total Departure Times: 5
Time Range:
05:02 - 16:40
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.