Delta Air Lines flight DL 728: Detroit - Seattle-Tacoma

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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 12:15 Detroit (DTW) M 14:21 Seattle-Tacoma (SEA)
DL 728 Non-stop Airbus A321 (321) 5:06 Effective 2026-04-13 through 2026-10-05
Daily 12:15 Detroit (DTW) M 14:23 Seattle-Tacoma (SEA)
DL 728 Non-stop Airbus A321 (321) 5:08 Effective from 2026-10-06
Daily 12:19 Detroit (DTW) M 14:20 Seattle-Tacoma (SEA)
DL 728 Non-stop Boeing 737-900 (739) 5:01 Effective 2026-02-12 through 2026-03-07
Daily 12:20 Detroit (DTW) M 14:21 Seattle-Tacoma (SEA)
DL 728 Non-stop Boeing 737-900 (739) 5:01 Effective 2026-01-05 through 2026-02-11
Daily 12:20 Detroit (DTW) M 14:18 Seattle-Tacoma (SEA)
DL 728 Non-stop Boeing 737-900 (739) 4:58 Effective 2026-03-08 through 2026-03-14
Daily 12:20 Detroit (DTW) M 14:20 Seattle-Tacoma (SEA)
DL 728 Non-stop Boeing 737-900 (739) 5:00 Effective 2026-03-15 through 2026-04-12
Sun 12:33 Detroit (DTW) M 14:35 Seattle-Tacoma (SEA)
DL 728 Non-stop Boeing 737-900 (739) 5:02 Operates only on 2026-01-04
Daily 12:40 Detroit (DTW) M 14:42 Seattle-Tacoma (SEA)
DL 728 Non-stop Boeing 737-900 (739) 5:02 Valid until 2026-01-03
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Delta Air Lines flight DL 728:
Detroit - Seattle-Tacoma
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Delta Air Lines DL728
12:15
Detroit (DTW) M

14:21
Seattle-Tacoma (SEA)
Effective 2026-04-13 through 2026-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:06, non-stop
Airbus A321 (321)
Direct Flights:
Delta Air Lines DL728
12:15
Detroit (DTW) M

14:23
Seattle-Tacoma (SEA)
Effective from 2026-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:08, non-stop
Airbus A321 (321)
Direct Flights:
Delta Air Lines DL728
12:19
Detroit (DTW) M

14:20
Seattle-Tacoma (SEA)
Effective 2026-02-12 through 2026-03-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:01, non-stop
Boeing 737-900 (739)
Direct Flights:
Delta Air Lines DL728
12:20
Detroit (DTW) M

14:21
Seattle-Tacoma (SEA)
Effective 2026-01-05 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:01, non-stop
Boeing 737-900 (739)
Direct Flights:
Delta Air Lines DL728
12:20
Detroit (DTW) M

14:18
Seattle-Tacoma (SEA)
Effective 2026-03-08 through 2026-03-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:58, non-stop
Boeing 737-900 (739)
Direct Flights:
Delta Air Lines DL728
12:20
Detroit (DTW) M

14:20
Seattle-Tacoma (SEA)
Effective 2026-03-15 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:00, non-stop
Boeing 737-900 (739)
Direct Flights:
Delta Air Lines DL728
12:33
Detroit (DTW) M

14:35
Seattle-Tacoma (SEA)
Operates only on 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:02, non-stop
Boeing 737-900 (739)
Direct Flights:
Delta Air Lines DL728
12:40
Detroit (DTW) M

14:42
Seattle-Tacoma (SEA)
Valid until 2026-01-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:02, non-stop
Boeing 737-900 (739)
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  • DL 728 is a domestic flight departing from the Detroit airport (DTW) and arriving at Seattle-Tacoma airport (SEA).
  • The flight distance is 1921 miles, or 3091 km.
  • The timezone of the departure airport is UTC-5 , 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 4:58 and 5:08.
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