IAD KIAD → SEA KSEA

Washington Dulles International Airport → Seattle–Tacoma International Airport

🇺🇸 Dulles, US → 🇺🇸 Seattle, US

Departure Airport
Washington Dulles International Airport
ICAO Code:
KIAD
IATA Code:
IAD
City:
🇺🇸 Dulles
Country:
US
Elevation:
312 ft
Destination Airport
Seattle–Tacoma International Airport
ICAO Code:
KSEA
IATA Code:
SEA
City:
🇺🇸 Seattle
Country:
US
Elevation:
433 ft

5

Operators

1

Daily Flight

2334

Miles

5h 39m

Flight Duration
Route Map
Operating Airlines
Alaska Airlines ICAO: ASA • IATA: AS
Delta Air Lines ICAO: DAL • IATA: DL
United ICAO: UAL • IATA: UA
Horizon ICAO: QXE • IATA: QX
Turkish Airlines ICAO: THY • IATA: TK
Airline ICAO IATA
Alaska Airlines ASA AS
Delta Air Lines DAL DL
United UAL UA
Horizon QXE QX
Turkish Airlines THY TK
Flight Schedule Pattern
Day Flights Observed Frequency Activity
Monday 3 7%
Tuesday 8 18%
Wednesday 7 16%
Thursday 5 11%
Friday 4 9%
Saturday 12 27%
Sunday 5 11%
Pattern Analysis
1 Daily Flight:
DAL1015
Data Points: 44
API observations used to build this analysis
Weekdays: 27 flights
Weekend: 17 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 Flight Numbers Aircraft Type Typical Time Days Active Last Seen Status
- B39M -
M T W T F S S
Nov 16, 2025 Active
DAL1015 BCS3 07:15 7:15 AM (Representative)
M T W T F S S
Dec 8, 2025 Active
Horizon
QXE / QX
- B739 -
M T W T F S S
Aug 17, 2025 Active
- UNKNOWN -
M T W T F S S
Sep 17, 2025 Active
United
UAL / UA
- B39M -
M T W T F S S
Oct 25, 2025 Active
Total Routes: 5
Active Routes: 5
Unique Airlines: 5
Aircraft Types: 5
Spotted Departure Times
Departure Time Operator ICAO IATA
07:15 7:15 AM Delta Air Lines DAL DL
Time Information

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

Total Departure Times: 1
Time Range:
07:15 - 07:15
These are typical departure times observed from actual flights. Times may vary by season and schedule changes.