Delta Air Lines flights from Seattle-Tacoma (SEA) to Denver (DEN).

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FLIGHT SCHEDULE
Direct Flights:
Daily 08:25 Seattle-Tacoma (SEA) 12:22 Denver (DEN) Delta Air Lines DL 1358 Non-stop Airbus A220-100 (221) 2:57 Effective 2026-04-13 through 2026-05-06
Daily 08:25 Seattle-Tacoma (SEA) 12:22 Denver (DEN) Delta Air Lines DL 1358 Non-stop Airbus A220-300 (223) 2:57 Effective 2026-05-07 through 2026-10-05
Daily 08:25 Seattle-Tacoma (SEA) 12:17 Denver (DEN) Delta Air Lines DL 1358 Non-stop Airbus A220-300 (223) 2:52 Effective from 2026-10-06
Daily 07:30 Seattle-Tacoma (SEA) 11:22 Denver (DEN) Delta Air Lines DL 2740 Non-stop Airbus A220-300 (223) 2:52 Valid until 2026-01-04
Mon,Tue,Fri-Sun 13:35 Seattle-Tacoma (SEA) 17:14 Denver (DEN) Delta Air Lines DL 2759 Non-stop Airbus A220-100 (221) 2:39 Valid until 2026-01-04
Daily 13:50 Seattle-Tacoma (SEA) 17:38 Denver (DEN) Delta Air Lines DL 2759 Non-stop Airbus A220-100 (221) 2:48 Effective 2026-05-07 through 2026-10-05
Daily 13:50 Seattle-Tacoma (SEA) 17:35 Denver (DEN) Delta Air Lines DL 2759 Non-stop Airbus A220-100 (221) 2:45 Effective from 2026-10-06
Mon-Fri,Sun 19:35 Seattle-Tacoma (SEA) 23:23 Denver (DEN) Delta Air Lines DL 2851 Non-stop Airbus A220-300 (223) 2:48 Valid until 2026-01-04
Sat 19:35 Seattle-Tacoma (SEA) 23:23 Denver (DEN) Delta Air Lines DL 2851 Non-stop Airbus A220-100 (221) 2:48 Operates only on 2026-01-03
Daily 19:40 Seattle-Tacoma (SEA) 23:25 Denver (DEN) Delta Air Lines DL 2851 Non-stop Airbus A220-300 (223) 2:45 Effective 2026-01-05 through 2026-03-07
Daily 19:40 Seattle-Tacoma (SEA) 23:30 Denver (DEN) Delta Air Lines DL 2851 Non-stop Airbus A220-300 (223) 2:50 Effective 2026-04-13 through 2026-10-05
Daily 19:40 Seattle-Tacoma (SEA) 23:28 Denver (DEN) Delta Air Lines DL 2851 Non-stop Airbus A220-300 (223) 2:48 Effective from 2026-10-06
Daily 19:45 Seattle-Tacoma (SEA) 23:30 Denver (DEN) Delta Air Lines DL 2851 Non-stop Airbus A220-300 (223) 2:45 Effective 2026-03-08 through 2026-03-14
Daily 19:45 Seattle-Tacoma (SEA) 23:31 Denver (DEN) Delta Air Lines DL 2851 Non-stop Airbus A220-300 (223) 2:46 Effective 2026-03-15 through 2026-04-12
Daily 08:28 Seattle-Tacoma (SEA) 12:23 Denver (DEN) Delta Air Lines DL 3675 Non-stop Embraer EMB 175 (E7W) 2:55 Effective 2026-03-08 through 2026-04-12
Daily 08:15 Seattle-Tacoma (SEA) 12:15 Denver (DEN) Delta Air Lines DL 3685 Non-stop Embraer EMB 175 (E7W) 3:00 Effective 2026-02-12 through 2026-03-07
Daily 08:25 Seattle-Tacoma (SEA) 12:27 Denver (DEN) Delta Air Lines DL 3685 Non-stop Embraer EMB 175 (E7W) 3:02 Effective 2026-01-05 through 2026-01-23
Mon-Fri,Sun 08:25 Seattle-Tacoma (SEA) 12:27 Denver (DEN) Delta Air Lines DL 3685 Non-stop Embraer EMB 175 (E7W) 3:02 Effective 2026-01-25 through 2026-02-11
Sat 08:35 Seattle-Tacoma (SEA) 12:28 Denver (DEN) Delta Air Lines DL 3685 Non-stop Embraer EMB 175 (E7W) 2:53 Effective 2026-01-24 through 2026-02-07
Daily 13:35 Seattle-Tacoma (SEA) 17:28 Denver (DEN) Delta Air Lines DL 4026 Non-stop Embraer EMB 175 (E7W) 2:53 Effective 2026-03-08 through 2026-03-14
Daily 13:35 Seattle-Tacoma (SEA) 17:29 Denver (DEN) Delta Air Lines DL 4026 Non-stop Embraer EMB 175 (E7W) 2:54 Effective 2026-03-15 through 2026-04-12
Daily 13:40 Seattle-Tacoma (SEA) 17:27 Denver (DEN) Delta Air Lines DL 4026 Non-stop Embraer EMB 175 (E7W) 2:47 Effective 2026-02-12 through 2026-03-07
Daily 13:45 Seattle-Tacoma (SEA) 17:34 Denver (DEN) Delta Air Lines DL 4026 Non-stop Embraer EMB 175 (E7W) 2:49 Effective 2026-01-05 through 2026-02-11
Daily 13:50 Seattle-Tacoma (SEA) 17:40 Denver (DEN) Delta Air Lines DL 4026 Non-stop Embraer EMB 175 (E7W) 2:50 Effective 2026-04-13 through 2026-05-06

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Parallax here SEA-DEN

A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Denver airport (DEN).
The flight distance is 1022 miles, or 1644 km.
The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-7 . 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 2:39 and 3:02.

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Delta Air Lines flights from Seattle-Tacoma (SEA) to Denver (DEN).

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FLIGHT SCHEDULE

Direct Flights:

Delta Air Lines DL1358

08:25

Seattle-Tacoma (SEA)

12:22

Denver (DEN)

Effective 2026-04-13 through 2026-05-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:57, non-stop
Airbus A220-100 (221)

Direct Flights:

Delta Air Lines DL1358

08:25

Seattle-Tacoma (SEA)

12:22

Denver (DEN)

Effective 2026-05-07 through 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:57, non-stop
Airbus A220-300 (223)

Direct Flights:

Delta Air Lines DL1358

08:25

Seattle-Tacoma (SEA)

12:17

Denver (DEN)

Effective from 2026-10-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:52, non-stop
Airbus A220-300 (223)

Direct Flights:

Delta Air Lines DL2740

07:30

Seattle-Tacoma (SEA)

11:22

Denver (DEN)

Valid until 2026-01-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:52, non-stop
Airbus A220-300 (223)

Direct Flights:

Delta Air Lines DL2759

13:35

Seattle-Tacoma (SEA)

17:14

Denver (DEN)

Valid until 2026-01-04

Mon

Tue

Wed
-

Thu
-

Fri

Sat

Sun

Duration: 2:39, non-stop
Airbus A220-100 (221)

Direct Flights:

Delta Air Lines DL2759

13:50

Seattle-Tacoma (SEA)

17:38

Denver (DEN)

Effective 2026-05-07 through 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:48, non-stop
Airbus A220-100 (221)

Direct Flights:

Delta Air Lines DL2759

13:50

Seattle-Tacoma (SEA)

17:35

Denver (DEN)

Effective from 2026-10-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:45, non-stop
Airbus A220-100 (221)

Direct Flights:

Delta Air Lines DL2851

19:35

Seattle-Tacoma (SEA)

23:23

Denver (DEN)

Valid until 2026-01-04

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 2:48, non-stop
Airbus A220-300 (223)

Direct Flights:

Delta Air Lines DL2851

19:35

Seattle-Tacoma (SEA)

23:23

Denver (DEN)

Operates only on 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:48, non-stop
Airbus A220-100 (221)

Direct Flights:

Delta Air Lines DL2851

19:40

Seattle-Tacoma (SEA)

23:25

Denver (DEN)

Effective 2026-01-05 through 2026-03-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:45, non-stop
Airbus A220-300 (223)

Direct Flights:

Delta Air Lines DL2851

19:40

Seattle-Tacoma (SEA)

23:30

Denver (DEN)

Effective 2026-04-13 through 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:50, non-stop
Airbus A220-300 (223)

Direct Flights:

Delta Air Lines DL2851

19:40

Seattle-Tacoma (SEA)

23:28

Denver (DEN)

Effective from 2026-10-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:48, non-stop
Airbus A220-300 (223)

Direct Flights:

Delta Air Lines DL2851

19:45

Seattle-Tacoma (SEA)

23:30

Denver (DEN)

Effective 2026-03-08 through 2026-03-14

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:45, non-stop
Airbus A220-300 (223)

Direct Flights:

Delta Air Lines DL2851

19:45

Seattle-Tacoma (SEA)

23:31

Denver (DEN)

Effective 2026-03-15 through 2026-04-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:46, non-stop
Airbus A220-300 (223)

Direct Flights:

Delta Air Lines DL3675

08:28

Seattle-Tacoma (SEA)

12:23

Denver (DEN)

Effective 2026-03-08 through 2026-04-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:55, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

Delta Air Lines DL3685

08:15

Seattle-Tacoma (SEA)

12:15

Denver (DEN)

Effective 2026-02-12 through 2026-03-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:00, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

Delta Air Lines DL3685

08:25

Seattle-Tacoma (SEA)

12:27

Denver (DEN)

Effective 2026-01-05 through 2026-01-23

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:02, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

Delta Air Lines DL3685

08:25

Seattle-Tacoma (SEA)

12:27

Denver (DEN)

Effective 2026-01-25 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 3:02, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

Delta Air Lines DL3685

08:35

Seattle-Tacoma (SEA)

12:28

Denver (DEN)

Effective 2026-01-24 through 2026-02-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:53, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

Delta Air Lines DL4026

13:35

Seattle-Tacoma (SEA)

17:28

Denver (DEN)

Effective 2026-03-08 through 2026-03-14

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:53, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

Delta Air Lines DL4026

13:35

Seattle-Tacoma (SEA)

17:29

Denver (DEN)

Effective 2026-03-15 through 2026-04-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:54, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

Delta Air Lines DL4026

13:40

Seattle-Tacoma (SEA)

17:27

Denver (DEN)

Effective 2026-02-12 through 2026-03-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:47, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

Delta Air Lines DL4026

13:45

Seattle-Tacoma (SEA)

17:34

Denver (DEN)

Effective 2026-01-05 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:49, non-stop
Embraer EMB 175 (E7W)

Direct Flights:

Delta Air Lines DL4026

13:50

Seattle-Tacoma (SEA)

17:40

Denver (DEN)

Effective 2026-04-13 through 2026-05-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 2:50, non-stop
Embraer EMB 175 (E7W)

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Parallax here SEA-DEN

A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Denver airport (DEN).
The flight distance is 1022 miles, or 1644 km.
The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-7 . 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 2:39 and 3:02.

All SEA-DEN flights

All Delta Air Lines flights

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