Delta Air Lines flight DL 1731: Denver - Seattle-Tacoma

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FLIGHT SCHEDULE
Direct Flights:
Daily 06:00 Denver (DEN) 08:12 Seattle-Tacoma (SEA)
DL 1731 Non-stop Airbus A220-100 (221) 3:12 Effective 2025-12-20 through 2026-01-05
Daily 06:15 Denver (DEN) 08:16 Seattle-Tacoma (SEA)
DL 1731 Non-stop Boeing 737-800 (738) 3:01 Effective 2025-07-07 through 2025-09-07
Daily 06:15 Denver (DEN) 08:26 Seattle-Tacoma (SEA)
DL 1731 Non-stop Boeing 737-800 (738) 3:11 Effective 2025-09-08 through 2025-12-19
Daily 06:15 Denver (DEN) 08:24 Seattle-Tacoma (SEA)
DL 1731 Non-stop Airbus A220-300 (223) 3:09 Effective from 2026-01-06
Daily 06:30 Denver (DEN) 08:43 Seattle-Tacoma (SEA)
DL 1731 Non-stop Airbus A220-300 (223) 3:13 Valid until 2025-05-06
Daily 06:30 Denver (DEN) 08:29 Seattle-Tacoma (SEA)
DL 1731 Non-stop Boeing 737-800 (738) 2:59 Effective 2025-06-08 through 2025-07-06
Daily 07:45 Denver (DEN) 09:49 Seattle-Tacoma (SEA)
DL 1731 Non-stop Airbus A220-300 (223) 3:04 Effective 2025-05-07 through 2025-06-07
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Parallax here DEN-SEA
Delta Air Lines flight DL 1731:
Denver - Seattle-Tacoma
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Delta Air Lines DL1731
Effective 2025-12-20 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:12, non-stop
Airbus A220-100 (221)

Delta Air Lines DL1731
Effective 2025-07-07 through 2025-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:01, non-stop
Boeing 737-800 (738)

Delta Air Lines DL1731
Effective 2025-09-08 through 2025-12-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:11, non-stop
Boeing 737-800 (738)

Delta Air Lines DL1731
Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:09, non-stop
Airbus A220-300 (223)

Delta Air Lines DL1731
Valid until 2025-05-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:13, non-stop
Airbus A220-300 (223)

Delta Air Lines DL1731
Effective 2025-06-08 through 2025-07-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:59, non-stop
Boeing 737-800 (738)

Delta Air Lines DL1731
Effective 2025-05-07 through 2025-06-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:04, non-stop
Airbus A220-300 (223)
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Parallax here DEN-SEA
  • DL 1731 is a domestic flight departing from the Denver airport (DEN) and arriving at Seattle-Tacoma airport (SEA).
  • The flight distance is 1022 miles, or 1644 km.
  • The timezone of the departure airport is UTC-7 , 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 2:59 and 3:13.