Delta Air Lines flights from Dallas Fort Worth (DFW) to Seattle-Tacoma (SEA).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 16:10 Dallas Fort Worth (DFW) E 18:40 Seattle-Tacoma (SEA)
Delta Air Lines DL 803 Non-stop Airbus A220-100 (221) 4:30 Effective 2026-02-12 through 2026-03-07
Daily 16:25 Dallas Fort Worth (DFW) E 18:55 Seattle-Tacoma (SEA)
Delta Air Lines DL 803 Non-stop Airbus A220-100 (221) 4:30 Effective 2026-01-05 through 2026-02-11
Daily 16:29 Dallas Fort Worth (DFW) E 18:52 Seattle-Tacoma (SEA)
Delta Air Lines DL 803 Non-stop Airbus A220-100 (221) 4:23 Effective 2026-03-08 through 2026-03-14
Daily 16:29 Dallas Fort Worth (DFW) E 18:54 Seattle-Tacoma (SEA)
Delta Air Lines DL 803 Non-stop Airbus A220-100 (221) 4:25 Effective 2026-03-15 through 2026-04-12
Mon,Tue,Fri-Sun 16:30 Dallas Fort Worth (DFW) E 18:59 Seattle-Tacoma (SEA)
Delta Air Lines DL 803 Non-stop Airbus A220-100 (221) 4:29 Valid until 2026-01-04
Daily 16:30 Dallas Fort Worth (DFW) E 19:00 Seattle-Tacoma (SEA)
Delta Air Lines DL 803 Non-stop Airbus A220-100 (221) 4:30 Effective 2026-04-13 through 2026-05-06
Daily 16:30 Dallas Fort Worth (DFW) E 19:00 Seattle-Tacoma (SEA)
Delta Air Lines DL 803 Non-stop Airbus A220-300 (223) 4:30 Effective 2026-05-07 through 2026-10-05
Daily 16:30 Dallas Fort Worth (DFW) E 18:58 Seattle-Tacoma (SEA)
Delta Air Lines DL 803 Non-stop Airbus A220-300 (223) 4:28 Effective from 2026-10-06
Daily 06:00 Dallas Fort Worth (DFW) E 08:33 Seattle-Tacoma (SEA)
Delta Air Lines DL 804 Non-stop Airbus A220-100 (221) 4:33 Effective 2026-02-12 through 2026-03-07
Daily 06:15 Dallas Fort Worth (DFW) E 08:47 Seattle-Tacoma (SEA)
Delta Air Lines DL 804 Non-stop Airbus A220-100 (221) 4:32 Valid until 2026-01-04
Daily 06:20 Dallas Fort Worth (DFW) E 08:53 Seattle-Tacoma (SEA)
Delta Air Lines DL 804 Non-stop Airbus A220-300 (223) 4:33 Effective 2026-01-19 through 2026-02-11
Daily 06:40 Dallas Fort Worth (DFW) E 09:03 Seattle-Tacoma (SEA)
Delta Air Lines DL 804 Non-stop Airbus A220-100 (221) 4:23 Effective 2026-03-08 through 2026-03-14
Daily 06:40 Dallas Fort Worth (DFW) E 09:05 Seattle-Tacoma (SEA)
Delta Air Lines DL 804 Non-stop Airbus A220-100 (221) 4:25 Effective 2026-03-15 through 2026-04-12
Daily 07:10 Dallas Fort Worth (DFW) E 09:42 Seattle-Tacoma (SEA)
Delta Air Lines DL 804 Non-stop Airbus A220-100 (221) 4:32 Effective 2026-04-13 through 2026-05-06
Daily 07:10 Dallas Fort Worth (DFW) E 09:42 Seattle-Tacoma (SEA)
Delta Air Lines DL 804 Non-stop Airbus A220-300 (223) 4:32 Effective 2026-05-07 through 2026-10-05
Daily 07:10 Dallas Fort Worth (DFW) E 09:47 Seattle-Tacoma (SEA)
Delta Air Lines DL 804 Non-stop Airbus A220-300 (223) 4:37 Effective from 2026-10-06
Daily 08:10 Dallas Fort Worth (DFW) E 10:45 Seattle-Tacoma (SEA)
Delta Air Lines DL 804 Non-stop Airbus A220-300 (223) 4:35 Effective 2026-01-05 through 2026-01-18




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Delta Air Lines flights from Dallas Fort Worth (DFW) to Seattle-Tacoma (SEA).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Delta Air Lines DL803
16:10
Dallas Fort Worth (DFW) E

18:40
Seattle-Tacoma (SEA)
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:30, non-stop
Airbus A220-100 (221)
Direct Flights:
Delta Air Lines DL803
16:25
Dallas Fort Worth (DFW) E

18:55
Seattle-Tacoma (SEA)
Effective 2026-01-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:30, non-stop
Airbus A220-100 (221)
Direct Flights:
Delta Air Lines DL803
16:29
Dallas Fort Worth (DFW) E

18:52
Seattle-Tacoma (SEA)
Effective 2026-03-08 through 2026-03-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:23, non-stop
Airbus A220-100 (221)
Direct Flights:
Delta Air Lines DL803
16:29
Dallas Fort Worth (DFW) E

18:54
Seattle-Tacoma (SEA)
Effective 2026-03-15 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:25, non-stop
Airbus A220-100 (221)
Direct Flights:
Delta Air Lines DL803
16:30
Dallas Fort Worth (DFW) E

18:59
Seattle-Tacoma (SEA)
Valid until 2026-01-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
Duration: 4:29, non-stop
Airbus A220-100 (221)
Direct Flights:
Delta Air Lines DL803
16:30
Dallas Fort Worth (DFW) E

19:00
Seattle-Tacoma (SEA)
Effective 2026-04-13 through 2026-05-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:30, non-stop
Airbus A220-100 (221)
Direct Flights:
Delta Air Lines DL803
16:30
Dallas Fort Worth (DFW) E

19:00
Seattle-Tacoma (SEA)
Effective 2026-05-07 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:30, non-stop
Airbus A220-300 (223)
Direct Flights:
Delta Air Lines DL803
16:30
Dallas Fort Worth (DFW) E

18:58
Seattle-Tacoma (SEA)
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:28, non-stop
Airbus A220-300 (223)
Direct Flights:
Delta Air Lines DL804
06:00
Dallas Fort Worth (DFW) E

08:33
Seattle-Tacoma (SEA)
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:33, non-stop
Airbus A220-100 (221)
Direct Flights:
Delta Air Lines DL804
06:15
Dallas Fort Worth (DFW) E

08:47
Seattle-Tacoma (SEA)
Valid until 2026-01-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:32, non-stop
Airbus A220-100 (221)
Direct Flights:
Delta Air Lines DL804
06:20
Dallas Fort Worth (DFW) E

08:53
Seattle-Tacoma (SEA)
Effective 2026-01-19 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:33, non-stop
Airbus A220-300 (223)
Direct Flights:
Delta Air Lines DL804
06:40
Dallas Fort Worth (DFW) E

09:03
Seattle-Tacoma (SEA)
Effective 2026-03-08 through 2026-03-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:23, non-stop
Airbus A220-100 (221)
Direct Flights:
Delta Air Lines DL804
06:40
Dallas Fort Worth (DFW) E

09:05
Seattle-Tacoma (SEA)
Effective 2026-03-15 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:25, non-stop
Airbus A220-100 (221)
Direct Flights:
Delta Air Lines DL804
07:10
Dallas Fort Worth (DFW) E

09:42
Seattle-Tacoma (SEA)
Effective 2026-04-13 through 2026-05-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:32, non-stop
Airbus A220-100 (221)
Direct Flights:
Delta Air Lines DL804
07:10
Dallas Fort Worth (DFW) E

09:42
Seattle-Tacoma (SEA)
Effective 2026-05-07 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:32, non-stop
Airbus A220-300 (223)
Direct Flights:
Delta Air Lines DL804
07:10
Dallas Fort Worth (DFW) E

09:47
Seattle-Tacoma (SEA)
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:37, non-stop
Airbus A220-300 (223)
Direct Flights:
Delta Air Lines DL804
08:10
Dallas Fort Worth (DFW) E

10:45
Seattle-Tacoma (SEA)
Effective 2026-01-05 through 2026-01-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:35, non-stop
Airbus A220-300 (223)
  • A domestic route departing from the Dallas Fort Worth airport (DFW) and arriving at Seattle-Tacoma airport (SEA).
  • The flight distance is 1657 miles, or 2667 km.
  • The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-8 . 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 4:23 and 4:37.
All DFW-SEA flights
All Delta Air Lines flights
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