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

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 09:25 Seattle-Tacoma (SEA) 15:19 Dallas Fort Worth (DFW) E
Delta Air Lines DL 803 Non-stop Airbus A220-100 (221) 3:54 Effective 2026-02-12 through 2026-03-07
Daily 09:30 Seattle-Tacoma (SEA) 15:28 Dallas Fort Worth (DFW) E
Delta Air Lines DL 803 Non-stop Airbus A220-100 (221) 3:58 Effective 2026-01-05 through 2026-02-11
Daily 09:30 Seattle-Tacoma (SEA) 15:32 Dallas Fort Worth (DFW) E
Delta Air Lines DL 803 Non-stop Airbus A220-100 (221) 4:02 Effective 2026-04-13 through 2026-05-06
Daily 09:30 Seattle-Tacoma (SEA) 15:32 Dallas Fort Worth (DFW) E
Delta Air Lines DL 803 Non-stop Airbus A220-300 (223) 4:02 Effective 2026-05-07 through 2026-10-05
Daily 09:30 Seattle-Tacoma (SEA) 15:29 Dallas Fort Worth (DFW) E
Delta Air Lines DL 803 Non-stop Airbus A220-300 (223) 3:59 Effective from 2026-10-06
Daily 09:35 Seattle-Tacoma (SEA) 15:35 Dallas Fort Worth (DFW) E
Delta Air Lines DL 803 Non-stop Airbus A220-100 (221) 4:00 Effective 2026-03-08 through 2026-03-14
Daily 09:35 Seattle-Tacoma (SEA) 15:36 Dallas Fort Worth (DFW) E
Delta Air Lines DL 803 Non-stop Airbus A220-100 (221) 4:01 Effective 2026-03-15 through 2026-04-12
Daily 09:40 Seattle-Tacoma (SEA) 15:40 Dallas Fort Worth (DFW) E
Delta Air Lines DL 803 Non-stop Airbus A220-100 (221) 4:00 Valid until 2026-01-04
Daily 17:35 Seattle-Tacoma (SEA) 23:31 Dallas Fort Worth (DFW) E
Delta Air Lines DL 870 Non-stop Airbus A220-100 (221) 3:56 Effective 2026-04-13 through 2026-05-06
Daily 17:35 Seattle-Tacoma (SEA) 23:31 Dallas Fort Worth (DFW) E
Delta Air Lines DL 870 Non-stop Airbus A220-300 (223) 3:56 Effective 2026-05-07 through 2026-10-05
Daily 17:35 Seattle-Tacoma (SEA) 23:30 Dallas Fort Worth (DFW) E
Delta Air Lines DL 870 Non-stop Airbus A220-300 (223) 3:55 Effective from 2026-10-06
Mon,Tue,Fri-Sun 17:55 Seattle-Tacoma (SEA) 23:50 Dallas Fort Worth (DFW) E
Delta Air Lines DL 870 Non-stop Airbus A220-100 (221) 3:55 Valid until 2026-01-03
Sun 17:55 Seattle-Tacoma (SEA) 23:50 Dallas Fort Worth (DFW) E
Delta Air Lines DL 870 Non-stop Airbus A220-300 (223) 3:55 Operates only on 2026-01-04
Daily 17:55 Seattle-Tacoma (SEA) 23:45 Dallas Fort Worth (DFW) E
Delta Air Lines DL 870 Non-stop Airbus A220-300 (223) 3:50 Effective 2026-01-05 through 2026-02-11
Mon-Sat 17:55 Seattle-Tacoma (SEA) 23:45 Dallas Fort Worth (DFW) E
Delta Air Lines DL 870 Non-stop Airbus A220-100 (221) 3:50 Effective 2026-02-12 through 2026-03-07
Daily 17:59 Seattle-Tacoma (SEA) 23:54 Dallas Fort Worth (DFW) E
Delta Air Lines DL 870 Non-stop Airbus A220-100 (221) 3:55 Effective 2026-03-08 through 2026-03-14
Daily 17:59 Seattle-Tacoma (SEA) 23:55 Dallas Fort Worth (DFW) E
Delta Air Lines DL 870 Non-stop Airbus A220-100 (221) 3:56 Effective 2026-03-15 through 2026-04-12
Sun 18:35 Seattle-Tacoma (SEA) 00:25 Dallas Fort Worth (DFW) E
Delta Air Lines DL 870 Non-stop Airbus A220-100 (221) 3:50 Effective 2026-02-15 through 2026-03-01
The flight arrives 1 day after departure.




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Delta Air Lines flights from Seattle-Tacoma (SEA) to Dallas Fort Worth (DFW).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Delta Air Lines DL803
09:25
Seattle-Tacoma (SEA)

15:19
Dallas Fort Worth (DFW) E
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:54, non-stop
Airbus A220-100 (221)
Direct Flights:
Delta Air Lines DL803
09:30
Seattle-Tacoma (SEA)

15:28
Dallas Fort Worth (DFW) E
Effective 2026-01-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:58, non-stop
Airbus A220-100 (221)
Direct Flights:
Delta Air Lines DL803
09:30
Seattle-Tacoma (SEA)

15:32
Dallas Fort Worth (DFW) E
Effective 2026-04-13 through 2026-05-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:02, non-stop
Airbus A220-100 (221)
Direct Flights:
Delta Air Lines DL803
09:30
Seattle-Tacoma (SEA)

15:32
Dallas Fort Worth (DFW) E
Effective 2026-05-07 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:02, non-stop
Airbus A220-300 (223)
Direct Flights:
Delta Air Lines DL803
09:30
Seattle-Tacoma (SEA)

15:29
Dallas Fort Worth (DFW) E
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:59, non-stop
Airbus A220-300 (223)
Direct Flights:
Delta Air Lines DL803
09:35
Seattle-Tacoma (SEA)

15:35
Dallas Fort Worth (DFW) E
Effective 2026-03-08 through 2026-03-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:00, non-stop
Airbus A220-100 (221)
Direct Flights:
Delta Air Lines DL803
09:35
Seattle-Tacoma (SEA)

15:36
Dallas Fort Worth (DFW) E
Effective 2026-03-15 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:01, non-stop
Airbus A220-100 (221)
Direct Flights:
Delta Air Lines DL803
09:40
Seattle-Tacoma (SEA)

15:40
Dallas Fort Worth (DFW) E
Valid until 2026-01-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:00, non-stop
Airbus A220-100 (221)
Direct Flights:
Delta Air Lines DL870
17:35
Seattle-Tacoma (SEA)

23:31
Dallas Fort Worth (DFW) E
Effective 2026-04-13 through 2026-05-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:56, non-stop
Airbus A220-100 (221)
Direct Flights:
Delta Air Lines DL870
17:35
Seattle-Tacoma (SEA)

23:31
Dallas Fort Worth (DFW) E
Effective 2026-05-07 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:56, non-stop
Airbus A220-300 (223)
Direct Flights:
Delta Air Lines DL870
17:35
Seattle-Tacoma (SEA)

23:30
Dallas Fort Worth (DFW) E
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:55, non-stop
Airbus A220-300 (223)
Direct Flights:
Delta Air Lines DL870
17:55
Seattle-Tacoma (SEA)

23:50
Dallas Fort Worth (DFW) E
Valid until 2026-01-03
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
Duration: 3:55, non-stop
Airbus A220-100 (221)
Direct Flights:
Delta Air Lines DL870
17:55
Seattle-Tacoma (SEA)

23:50
Dallas Fort Worth (DFW) E
Operates only on 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:55, non-stop
Airbus A220-300 (223)
Direct Flights:
Delta Air Lines DL870
17:55
Seattle-Tacoma (SEA)

23:45
Dallas Fort Worth (DFW) E
Effective 2026-01-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:50, non-stop
Airbus A220-300 (223)
Direct Flights:
Delta Air Lines DL870
17:55
Seattle-Tacoma (SEA)

23:45
Dallas Fort Worth (DFW) E
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Duration: 3:50, non-stop
Airbus A220-100 (221)
Direct Flights:
Delta Air Lines DL870
17:59
Seattle-Tacoma (SEA)

23:54
Dallas Fort Worth (DFW) E
Effective 2026-03-08 through 2026-03-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:55, non-stop
Airbus A220-100 (221)
Direct Flights:
Delta Air Lines DL870
17:59
Seattle-Tacoma (SEA)

23:55
Dallas Fort Worth (DFW) E
Effective 2026-03-15 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:56, non-stop
Airbus A220-100 (221)
Direct Flights:
Delta Air Lines DL870
18:35
Seattle-Tacoma (SEA)

00:25(+1)
Dallas Fort Worth (DFW) E
Effective 2026-02-15 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:50, non-stop
Airbus A220-100 (221)
The flight arrives 1 day after departure.
  • A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Dallas Fort Worth airport (DFW).
  • The flight distance is 1657 miles, or 2667 km.
  • The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-6 . 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 3:50 and 4:02.
All SEA-DFW flights
All Delta Air Lines flights
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