Delta Air Lines flights from Seattle-Tacoma (SEA) to Ronald Reagan Washington (DCA).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 07:20 Seattle-Tacoma (SEA) 15:20 Ronald Reagan Washington (DCA) 2
Delta Air Lines DL 786 Non-stop Boeing 757-200 (75W) 5:00 Effective 2026-01-05 through 2026-03-07
Daily 07:23 Seattle-Tacoma (SEA) 15:40 Ronald Reagan Washington (DCA) 2
Delta Air Lines DL 786 Non-stop Airbus A321neo (32Q) 5:17 Effective 2026-04-13 through 2026-10-05
Daily 07:23 Seattle-Tacoma (SEA) 15:34 Ronald Reagan Washington (DCA) 2
Delta Air Lines DL 786 Non-stop Airbus A321neo (32Q) 5:11 Effective from 2026-10-06
Mon 07:25 Seattle-Tacoma (SEA) 15:22 Ronald Reagan Washington (DCA) 2
Delta Air Lines DL 786 Non-stop Boeing 757-200 (75W) 4:57 Operates only on 2026-03-09
Mon 07:25 Seattle-Tacoma (SEA) 15:23 Ronald Reagan Washington (DCA) 2
Delta Air Lines DL 786 Non-stop Boeing 757-200 (75W) 4:58 Effective 2026-03-16 through 2026-04-06
Sun 07:30 Seattle-Tacoma (SEA) 15:30 Ronald Reagan Washington (DCA) 2
Delta Air Lines DL 786 Non-stop Boeing 757-200 (75W) 5:00 Operates only on 2026-01-04
Daily 07:35 Seattle-Tacoma (SEA) 15:36 Ronald Reagan Washington (DCA) 2
Delta Air Lines DL 786 Non-stop Boeing 757-200 (75W) 5:01 Valid until 2026-01-03
Tue-Sun 07:25 Seattle-Tacoma (SEA) 15:22 Ronald Reagan Washington (DCA) 2
Delta Air Lines DL 884 Non-stop Boeing 757-200 (75W) 4:57 Effective 2026-03-08 through 2026-03-14
Tue-Sun 07:25 Seattle-Tacoma (SEA) 15:23 Ronald Reagan Washington (DCA) 2
Delta Air Lines DL 884 Non-stop Boeing 757-200 (75W) 4:58 Effective 2026-03-15 through 2026-04-12




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Delta Air Lines flights from Seattle-Tacoma (SEA) to Ronald Reagan Washington (DCA).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Delta Air Lines DL786
07:20
Seattle-Tacoma (SEA)

15:20
Ronald Reagan Washington (DCA) 2
Effective 2026-01-05 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:00, non-stop
Boeing 757-200 (75W)
Direct Flights:
Delta Air Lines DL786
07:23
Seattle-Tacoma (SEA)

15:40
Ronald Reagan Washington (DCA) 2
Effective 2026-04-13 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:17, non-stop
Airbus A321neo (32Q)
Direct Flights:
Delta Air Lines DL786
07:23
Seattle-Tacoma (SEA)

15:34
Ronald Reagan Washington (DCA) 2
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:11, non-stop
Airbus A321neo (32Q)
Direct Flights:
Delta Air Lines DL786
07:25
Seattle-Tacoma (SEA)

15:22
Ronald Reagan Washington (DCA) 2
Operates only on 2026-03-09
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:57, non-stop
Boeing 757-200 (75W)
Direct Flights:
Delta Air Lines DL786
07:25
Seattle-Tacoma (SEA)

15:23
Ronald Reagan Washington (DCA) 2
Effective 2026-03-16 through 2026-04-06
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:58, non-stop
Boeing 757-200 (75W)
Direct Flights:
Delta Air Lines DL786
07:30
Seattle-Tacoma (SEA)

15:30
Ronald Reagan Washington (DCA) 2
Operates only on 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:00, non-stop
Boeing 757-200 (75W)
Direct Flights:
Delta Air Lines DL786
07:35
Seattle-Tacoma (SEA)

15:36
Ronald Reagan Washington (DCA) 2
Valid until 2026-01-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:01, non-stop
Boeing 757-200 (75W)
Direct Flights:
Delta Air Lines DL884
07:25
Seattle-Tacoma (SEA)

15:22
Ronald Reagan Washington (DCA) 2
Effective 2026-03-08 through 2026-03-14
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:57, non-stop
Boeing 757-200 (75W)
Direct Flights:
Delta Air Lines DL884
07:25
Seattle-Tacoma (SEA)

15:23
Ronald Reagan Washington (DCA) 2
Effective 2026-03-15 through 2026-04-12
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:58, non-stop
Boeing 757-200 (75W)
  • A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Ronald Reagan Washington airport (DCA).
  • The flight distance is 2321 miles, or 3736 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 4:57 and 5:17.
All SEA-DCA flights
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