Delta Air Lines flights from Seattle-Tacoma (SEA) to Dulles, Washington (IAD).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 08:20 Seattle-Tacoma (SEA) 16:25 Dulles, Washington (IAD)
Delta Air Lines DL 441 Non-stop Airbus A220-300 (223) 5:05 Valid until 2024-01-07
Daily 08:05 Seattle-Tacoma (SEA) 16:11 Dulles, Washington (IAD)
Delta Air Lines DL 508 Non-stop Airbus A220-100 (221) 5:06 Effective from 2024-09-09
Daily 22:00 Seattle-Tacoma (SEA) 05:56 Dulles, Washington (IAD)
Delta Air Lines DL 541 Non-stop Airbus A220-100 (221) 4:56 Effective from 2024-09-09
The flight arrives 1 day after departure.
Daily 07:35 Seattle-Tacoma (SEA) 15:42 Dulles, Washington (IAD)
Delta Air Lines DL 544 Non-stop Airbus A220-300 (223) 5:07 Effective 2024-01-08 through 2024-02-05
Daily 22:00 Seattle-Tacoma (SEA) 06:05 Dulles, Washington (IAD)
Delta Air Lines DL 719 Non-stop Airbus A220-300 (223) 5:05 Effective 2024-04-09 through 2024-09-08
The flight arrives 1 day after departure.
Daily 07:35 Seattle-Tacoma (SEA) 15:42 Dulles, Washington (IAD)
Delta Air Lines DL 877 Non-stop Airbus A220-300 (223) 5:07 Effective 2024-02-06 through 2024-03-09
Daily 08:05 Seattle-Tacoma (SEA) 16:12 Dulles, Washington (IAD)
Delta Air Lines DL 952 Non-stop Airbus A220-300 (223) 5:07 Effective 2024-04-09 through 2024-06-06
Daily 08:05 Seattle-Tacoma (SEA) 16:15 Dulles, Washington (IAD)
Delta Air Lines DL 952 Non-stop Airbus A220-300 (223) 5:10 Effective 2024-06-07 through 2024-09-08
Daily 08:25 Seattle-Tacoma (SEA) 16:29 Dulles, Washington (IAD)
Delta Air Lines DL 952 Non-stop Airbus A220-300 (223) 5:04 Effective 2024-03-10 through 2024-04-08


Delta Air Lines flights from Seattle-Tacoma (SEA) to Dulles, Washington (IAD).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Valid until 2024-01-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:05, non-stop
Airbus A220-300 (223)

Effective from 2024-09-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:06, non-stop
Airbus A220-100 (221)

Effective from 2024-09-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:56, non-stop
Airbus A220-100 (221)
The flight arrives 1 day after departure.

Effective 2024-01-08 through 2024-02-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:07, non-stop
Airbus A220-300 (223)

Effective 2024-04-09 through 2024-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:05, non-stop
Airbus A220-300 (223)
The flight arrives 1 day after departure.

Effective 2024-02-06 through 2024-03-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:07, non-stop
Airbus A220-300 (223)

Effective 2024-04-09 through 2024-06-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:07, non-stop
Airbus A220-300 (223)

Effective 2024-06-07 through 2024-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:10, non-stop
Airbus A220-300 (223)

Effective 2024-03-10 through 2024-04-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:04, non-stop
Airbus A220-300 (223)
  • A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Dulles, Washington airport (IAD).
  • The flight distance is 2299 miles, or 3699 km.
  • The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 4:56 and 5:10.