Delta Air Lines flights from Chicago O'Hare (ORD) to Seattle-Tacoma (SEA).

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FLIGHT SCHEDULE
Direct Flights:
Mon-Fri,Sun 18:00 Chicago O'Hare (ORD) 5 20:43 Seattle-Tacoma (SEA) Delta Air Lines DL 637 Non-stop Airbus A220-300 (223) 4:43 Effective 2026-04-13 through 2026-05-06
Mon-Fri,Sun 18:00 Chicago O'Hare (ORD) 5 20:41 Seattle-Tacoma (SEA) Delta Air Lines DL 637 Non-stop Boeing 737-800 (738) 4:41 Effective 2026-05-07 through 2026-05-22
Mon-Fri,Sun 18:00 Chicago O'Hare (ORD) 5 20:41 Seattle-Tacoma (SEA) Delta Air Lines DL 637 Non-stop Boeing 737-800 (738) 4:41 Effective 2026-05-25 through 2026-09-04
Mon-Fri,Sun 18:00 Chicago O'Hare (ORD) 5 20:41 Seattle-Tacoma (SEA) Delta Air Lines DL 637 Non-stop Boeing 737-800 (738) 4:41 Effective 2026-09-07 through 2026-10-05
Mon-Fri,Sun 18:00 Chicago O'Hare (ORD) 5 20:48 Seattle-Tacoma (SEA) Delta Air Lines DL 637 Non-stop Boeing 737-800 (738) 4:48 Effective from 2026-10-06
Daily 12:45 Chicago O'Hare (ORD) 5 15:24 Seattle-Tacoma (SEA) Delta Air Lines DL 1564 Non-stop Boeing 737-800 (738) 4:39 Effective from 2026-10-06
Daily 12:50 Chicago O'Hare (ORD) 5 15:25 Seattle-Tacoma (SEA) Delta Air Lines DL 1564 Non-stop Airbus A220-300 (223) 4:35 Effective 2026-04-13 through 2026-05-06
Daily 12:50 Chicago O'Hare (ORD) 5 15:24 Seattle-Tacoma (SEA) Delta Air Lines DL 1564 Non-stop Boeing 737-800 (738) 4:34 Effective 2026-05-07 through 2026-10-05
Daily 14:20 Chicago O'Hare (ORD) 5 16:58 Seattle-Tacoma (SEA) Delta Air Lines DL 1564 Non-stop Airbus A220-300 (223) 4:38 Effective 2026-03-08 through 2026-03-14
Daily 14:20 Chicago O'Hare (ORD) 5 17:00 Seattle-Tacoma (SEA) Delta Air Lines DL 1564 Non-stop Airbus A220-300 (223) 4:40 Effective 2026-03-15 through 2026-04-12
Daily 06:00 Chicago O'Hare (ORD) 5 08:47 Seattle-Tacoma (SEA) Delta Air Lines DL 2041 Non-stop Airbus A220-300 (223) 4:47 Valid until 2026-01-04
Daily 07:20 Chicago O'Hare (ORD) 5 09:58 Seattle-Tacoma (SEA) Delta Air Lines DL 2041 Non-stop Boeing 737-800 (738) 4:38 Effective 2026-03-08 through 2026-03-14
Daily 07:20 Chicago O'Hare (ORD) 5 10:00 Seattle-Tacoma (SEA) Delta Air Lines DL 2041 Non-stop Boeing 737-800 (738) 4:40 Effective 2026-03-15 through 2026-04-12
Daily 07:20 Chicago O'Hare (ORD) 5 09:57 Seattle-Tacoma (SEA) Delta Air Lines DL 2041 Non-stop Boeing 737-800 (738) 4:37 Effective 2026-05-07 through 2026-10-05
Daily 07:20 Chicago O'Hare (ORD) 5 10:05 Seattle-Tacoma (SEA) Delta Air Lines DL 2041 Non-stop Boeing 737-800 (738) 4:45 Effective from 2026-10-06
Daily 07:25 Chicago O'Hare (ORD) 5 10:04 Seattle-Tacoma (SEA) Delta Air Lines DL 2041 Non-stop Airbus A220-300 (223) 4:39 Effective 2026-04-13 through 2026-05-06
Daily 07:30 Chicago O'Hare (ORD) 5 10:15 Seattle-Tacoma (SEA) Delta Air Lines DL 2041 Non-stop Airbus A220-300 (223) 4:45 Effective 2026-01-05 through 2026-02-11
Daily 07:40 Chicago O'Hare (ORD) 5 10:25 Seattle-Tacoma (SEA) Delta Air Lines DL 2041 Non-stop Airbus A220-300 (223) 4:45 Effective 2026-02-12 through 2026-03-07
Daily 14:15 Chicago O'Hare (ORD) 5 17:00 Seattle-Tacoma (SEA) Delta Air Lines DL 2055 Non-stop Airbus A220-300 (223) 4:45 Valid until 2026-01-04
Mon-Fri,Sun 14:20 Chicago O'Hare (ORD) 5 17:00 Seattle-Tacoma (SEA) Delta Air Lines DL 2055 Non-stop Airbus A220-300 (223) 4:40 Effective 2026-01-05 through 2026-01-16
Mon-Fri,Sun 14:20 Chicago O'Hare (ORD) 5 17:00 Seattle-Tacoma (SEA) Delta Air Lines DL 2055 Non-stop Airbus A220-300 (223) 4:40 Effective 2026-01-19 through 2026-02-06
Mon-Fri 14:20 Chicago O'Hare (ORD) 5 17:00 Seattle-Tacoma (SEA) Delta Air Lines DL 2055 Non-stop Airbus A220-300 (223) 4:40 Effective 2026-02-09 through 2026-02-20
Mon-Fri,Sun 14:20 Chicago O'Hare (ORD) 5 17:00 Seattle-Tacoma (SEA) Delta Air Lines DL 2055 Non-stop Airbus A220-300 (223) 4:40 Effective 2026-02-22 through 2026-03-06

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Parallax here ORD-SEA

A domestic route departing from the Chicago O'Hare airport (ORD) and arriving at Seattle-Tacoma airport (SEA).
The flight distance is 1715 miles, or 2760 km.
The timezone of the departure airport is UTC-6 , 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 4:34 and 4:48.

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Delta Air Lines flights from Chicago O'Hare (ORD) to Seattle-Tacoma (SEA).

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FLIGHT SCHEDULE

Direct Flights:

Delta Air Lines DL637

18:00

Chicago O'Hare (ORD) 5

20:43

Seattle-Tacoma (SEA)

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 4:43, non-stop
Airbus A220-300 (223)

Direct Flights:

Delta Air Lines DL637

18:00

Chicago O'Hare (ORD) 5

20:41

Seattle-Tacoma (SEA)

Effective 2026-05-07 through 2026-05-22

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 4:41, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL637

18:00

Chicago O'Hare (ORD) 5

20:41

Seattle-Tacoma (SEA)

Effective 2026-05-25 through 2026-09-04

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 4:41, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL637

18:00

Chicago O'Hare (ORD) 5

20:41

Seattle-Tacoma (SEA)

Effective 2026-09-07 through 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 4:41, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL637

18:00

Chicago O'Hare (ORD) 5

20:48

Seattle-Tacoma (SEA)

Effective from 2026-10-06

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 4:48, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL1564

12:45

Chicago O'Hare (ORD) 5

15:24

Seattle-Tacoma (SEA)

Effective from 2026-10-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:39, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL1564

12:50

Chicago O'Hare (ORD) 5

15:25

Seattle-Tacoma (SEA)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:35, non-stop
Airbus A220-300 (223)

Direct Flights:

Delta Air Lines DL1564

12:50

Chicago O'Hare (ORD) 5

15:24

Seattle-Tacoma (SEA)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:34, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL1564

14:20

Chicago O'Hare (ORD) 5

16:58

Seattle-Tacoma (SEA)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:38, non-stop
Airbus A220-300 (223)

Direct Flights:

Delta Air Lines DL1564

14:20

Chicago O'Hare (ORD) 5

17:00

Seattle-Tacoma (SEA)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:40, non-stop
Airbus A220-300 (223)

Direct Flights:

Delta Air Lines DL2041

06:00

Chicago O'Hare (ORD) 5

08:47

Seattle-Tacoma (SEA)

Valid until 2026-01-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:47, non-stop
Airbus A220-300 (223)

Direct Flights:

Delta Air Lines DL2041

07:20

Chicago O'Hare (ORD) 5

09:58

Seattle-Tacoma (SEA)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:38, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL2041

07:20

Chicago O'Hare (ORD) 5

10:00

Seattle-Tacoma (SEA)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:40, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL2041

07:20

Chicago O'Hare (ORD) 5

09:57

Seattle-Tacoma (SEA)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:37, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL2041

07:20

Chicago O'Hare (ORD) 5

10:05

Seattle-Tacoma (SEA)

Effective from 2026-10-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:45, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL2041

07:25

Chicago O'Hare (ORD) 5

10:04

Seattle-Tacoma (SEA)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:39, non-stop
Airbus A220-300 (223)

Direct Flights:

Delta Air Lines DL2041

07:30

Chicago O'Hare (ORD) 5

10:15

Seattle-Tacoma (SEA)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:45, non-stop
Airbus A220-300 (223)

Direct Flights:

Delta Air Lines DL2041

07:40

Chicago O'Hare (ORD) 5

10:25

Seattle-Tacoma (SEA)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:45, non-stop
Airbus A220-300 (223)

Direct Flights:

Delta Air Lines DL2055

14:15

Chicago O'Hare (ORD) 5

17:00

Seattle-Tacoma (SEA)

Valid until 2026-01-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:45, non-stop
Airbus A220-300 (223)

Direct Flights:

Delta Air Lines DL2055

14:20

Chicago O'Hare (ORD) 5

17:00

Seattle-Tacoma (SEA)

Effective 2026-01-05 through 2026-01-16

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 4:40, non-stop
Airbus A220-300 (223)

Direct Flights:

Delta Air Lines DL2055

14:20

Chicago O'Hare (ORD) 5

17:00

Seattle-Tacoma (SEA)

Effective 2026-01-19 through 2026-02-06

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 4:40, non-stop
Airbus A220-300 (223)

Direct Flights:

Delta Air Lines DL2055

14:20

Chicago O'Hare (ORD) 5

17:00

Seattle-Tacoma (SEA)

Effective 2026-02-09 through 2026-02-20

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 4:40, non-stop
Airbus A220-300 (223)

Direct Flights:

Delta Air Lines DL2055

14:20

Chicago O'Hare (ORD) 5

17:00

Seattle-Tacoma (SEA)

Effective 2026-02-22 through 2026-03-06

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 4:40, non-stop
Airbus A220-300 (223)

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Parallax here ORD-SEA

A domestic route departing from the Chicago O'Hare airport (ORD) and arriving at Seattle-Tacoma airport (SEA).
The flight distance is 1715 miles, or 2760 km.
The timezone of the departure airport is UTC-6 , 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 4:34 and 4:48.

All ORD-SEA flights

All Delta Air Lines flights

Return (SEA-ORD) flights

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