Delta Air Lines
flight
DL 870:
Seattle-Tacoma - Dallas Fort Worth
Seattle-Tacoma - Dallas Fort Worth
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FLIGHT SCHEDULE
Direct Flights:
Delta Air Lines DL870
Effective 2026-04-13 through 2026-05-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:56, non-stop
Airbus A220-100 (221)
Airbus A220-100 (221)
Direct Flights:
Delta Air Lines DL870
Effective 2026-05-07 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:56, non-stop
Airbus A220-300 (223)
Airbus A220-300 (223)
Direct Flights:
Delta Air Lines DL870
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:55, non-stop
Airbus A220-300 (223)
Airbus A220-300 (223)
Direct Flights:
Delta Air Lines DL870
Valid until 2026-01-03
Mon
Tue
Wed
-
-
Thu
-
-
Fri
Sat
Sun
Duration: 3:55, non-stop
Airbus A220-100 (221)
Airbus A220-100 (221)
Direct Flights:
Delta Air Lines DL870
Operates only on 2026-01-04
Mon
-
-
Tue
-
-
Wed
-
-
Thu
-
-
Fri
-
-
Sat
-
-
Sun
Duration: 3:55, non-stop
Airbus A220-300 (223)
Airbus A220-300 (223)
Direct Flights:
Delta Air Lines DL870
Effective 2026-01-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:50, non-stop
Airbus A220-300 (223)
Airbus A220-300 (223)
Direct Flights:
Delta Air Lines DL870
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
-
Duration: 3:50, non-stop
Airbus A220-100 (221)
Airbus A220-100 (221)
Direct Flights:
Delta Air Lines DL870
Effective 2026-03-08 through 2026-03-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:55, non-stop
Airbus A220-100 (221)
Airbus A220-100 (221)
Direct Flights:
Delta Air Lines DL870
Effective 2026-03-15 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:56, non-stop
Airbus A220-100 (221)
Airbus A220-100 (221)
Direct Flights:
Delta Air Lines DL870
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.
Airbus A220-100 (221)
The flight arrives 1 day after departure.
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Parallax here SEA-DFW
- DL 870 is a domestic flight 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 3:56.