All airlines flying from Seattle-Tacoma (SEA) to Chicago O'Hare (ORD).

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FLIGHT SCHEDULE
Direct Flights:
Wed 11:45 Seattle-Tacoma (SEA) 17:50 Chicago O'Hare (ORD) 2 Alaska Airlines AS 410 Non-stop Boeing 737 (73J) 4:05 Operates only on 2026-03-18
Daily 11:45 Seattle-Tacoma (SEA) 17:53 Chicago O'Hare (ORD) 2 Alaska Airlines AS 410 Non-stop Boeing 737 (73J) 4:08 Effective 2026-03-19 through 2026-05-12
Daily 12:40 Seattle-Tacoma (SEA) 18:55 Chicago O'Hare (ORD) 2 Alaska Airlines AS 410 Non-stop Boeing 737 (73J) 4:15 Effective 2026-05-13 through 2026-06-09
Daily 13:45 Seattle-Tacoma (SEA) 19:55 Chicago O'Hare (ORD) 2 Alaska Airlines AS 410 Non-stop Boeing 737 (73J) 4:10 Effective from 2026-06-10
Daily 09:50 Seattle-Tacoma (SEA) 15:58 Chicago O'Hare (ORD) 2 Alaska Airlines AS 429 Non-stop Boeing 737 (73J) 4:08 Effective 2026-04-22 through 2026-05-12
Daily 10:50 Seattle-Tacoma (SEA) 17:02 Chicago O'Hare (ORD) 2 Alaska Airlines AS 429 Non-stop Boeing 737 (73J) 4:12 Effective 2026-05-13 through 2026-06-09
Daily 10:52 Seattle-Tacoma (SEA) 17:01 Chicago O'Hare (ORD) 2 Alaska Airlines AS 429 Non-stop Boeing 737 (73J) 4:09 Effective from 2026-06-10
Daily 10:55 Seattle-Tacoma (SEA) 17:12 Chicago O'Hare (ORD) 2 Alaska Airlines AS 429 Non-stop Boeing 737 (73J) 4:17 Valid until 2026-01-06
Daily 10:55 Seattle-Tacoma (SEA) 17:06 Chicago O'Hare (ORD) 1 United Airlines UA 464 Non-stop Boeing 737-800 (738) 4:11 Effective 2026-03-29 through 2026-04-29
Mon-Wed,Fri,Sun 17:49 Seattle-Tacoma (SEA) 23:59 Chicago O'Hare (ORD) 2 Alaska Airlines AS 538 Non-stop Boeing 737-800 (73H) 4:10 Valid until 2026-01-05
Thu 17:49 Seattle-Tacoma (SEA) 23:59 Chicago O'Hare (ORD) 2 Alaska Airlines AS 538 Non-stop Boeing 737 MAX 9 (7M9) 4:10 Operates only on 2026-01-01
Tue,Sat 17:49 Seattle-Tacoma (SEA) 23:59 Chicago O'Hare (ORD) 2 Alaska Airlines AS 538 Non-stop Boeing 737 (73J) 4:10 Effective 2026-01-03 through 2026-01-06
Daily 17:50 Seattle-Tacoma (SEA) 23:50 Chicago O'Hare (ORD) 2 Alaska Airlines AS 538 Non-stop Boeing 737-800 (73H) 4:00 Effective 2026-01-07 through 2026-02-01
Mon,Sat 17:50 Seattle-Tacoma (SEA) 23:50 Chicago O'Hare (ORD) 2 Alaska Airlines AS 538 Non-stop Boeing 737 MAX 8 (7M8) 4:00 Effective 2026-02-02 through 2026-02-07
Mon-Fri,Sun 17:50 Seattle-Tacoma (SEA) 23:50 Chicago O'Hare (ORD) 2 Alaska Airlines AS 538 Non-stop Boeing 737-800 (73H) 4:00 Effective 2026-02-03 through 2026-02-10
Wed 17:50 Seattle-Tacoma (SEA) 23:50 Chicago O'Hare (ORD) 2 Alaska Airlines AS 538 Non-stop Boeing 737 MAX 9 (7M9) 4:00 Operates only on 2026-02-11
Daily 17:54 Seattle-Tacoma (SEA) 23:59 Chicago O'Hare (ORD) 2 Alaska Airlines AS 538 Non-stop Boeing 737 (73J) 4:05 Effective from 2026-06-10
Daily 17:55 Seattle-Tacoma (SEA) 23:56 Chicago O'Hare (ORD) 2 Alaska Airlines AS 538 Non-stop Boeing 737 (73J) 4:01 Effective 2026-02-12 through 2026-03-09
Tue,Thu,Fri 17:55 Seattle-Tacoma (SEA) 23:56 Chicago O'Hare (ORD) 2 Alaska Airlines AS 538 Non-stop Boeing 737 MAX 9 (7M9) 4:01 Effective 2026-03-10 through 2026-03-17
Wed,Sat,Sun 17:55 Seattle-Tacoma (SEA) 23:56 Chicago O'Hare (ORD) 2 Alaska Airlines AS 538 Non-stop Boeing 737 (73J) 4:01 Effective 2026-03-11 through 2026-03-15
Mon 17:55 Seattle-Tacoma (SEA) 23:56 Chicago O'Hare (ORD) 2 Alaska Airlines AS 538 Non-stop Boeing 737-800 (73H) 4:01 Operates only on 2026-03-16
Daily 17:55 Seattle-Tacoma (SEA) 23:59 Chicago O'Hare (ORD) 2 Alaska Airlines AS 538 Non-stop Boeing 737 (73J) 4:04 Effective 2026-05-13 through 2026-06-09
Wed 18:00 Seattle-Tacoma (SEA) 23:59 Chicago O'Hare (ORD) 2 Alaska Airlines AS 538 Non-stop Boeing 737 (73J) 3:59 Operates only on 2026-03-18
Daily 18:00 Seattle-Tacoma (SEA) 23:58 Chicago O'Hare (ORD) 2 Alaska Airlines AS 538 Non-stop Boeing 737 (73J) 3:58 Effective 2026-03-19 through 2026-05-12
Wed 00:58 Seattle-Tacoma (SEA) 07:00 Chicago O'Hare (ORD) 2 Alaska Airlines AS 610 Non-stop Boeing 737 (73J) 4:02 Operates only on 2026-06-10
Mon-Fri,Sun 11:10 Seattle-Tacoma (SEA) 17:24 Chicago O'Hare (ORD) 5 Delta Air Lines DL 637 Non-stop Airbus A220-300 (223) 4:14 Effective 2026-04-13 through 2026-05-06
Mon-Fri,Sun 11:10 Seattle-Tacoma (SEA) 17:22 Chicago O'Hare (ORD) 5 Delta Air Lines DL 637 Non-stop Boeing 737-800 (738) 4:12 Effective 2026-05-07 through 2026-05-22
Mon-Fri,Sun 11:10 Seattle-Tacoma (SEA) 17:22 Chicago O'Hare (ORD) 5 Delta Air Lines DL 637 Non-stop Boeing 737-800 (738) 4:12 Effective 2026-05-25 through 2026-09-04
Mon-Fri,Sun 11:10 Seattle-Tacoma (SEA) 17:22 Chicago O'Hare (ORD) 5 Delta Air Lines DL 637 Non-stop Boeing 737-800 (738) 4:12 Effective 2026-09-07 through 2026-10-05
Mon-Fri,Sun 11:10 Seattle-Tacoma (SEA) 17:14 Chicago O'Hare (ORD) 5 Delta Air Lines DL 637 Non-stop Boeing 737-800 (738) 4:04 Effective from 2026-10-06
Daily 07:00 Seattle-Tacoma (SEA) 13:08 Chicago O'Hare (ORD) 1 United Airlines UA 747 Non-stop Airbus A321neo (32Q) 4:08 Effective 2026-01-06 through 2026-02-11
Mon-Wed,Fri-Sun 10:52 Seattle-Tacoma (SEA) 17:00 Chicago O'Hare (ORD) 1 United Airlines UA 747 Non-stop Airbus A320 (320) 4:08 Valid until 2026-01-04
Mon 10:52 Seattle-Tacoma (SEA) 17:00 Chicago O'Hare (ORD) 1 United Airlines UA 747 Non-stop Airbus A319 (319) 4:08 Operates only on 2026-01-05
Daily 10:55 Seattle-Tacoma (SEA) 17:00 Chicago O'Hare (ORD) 1 United Airlines UA 747 Non-stop Boeing 737-900 (739) 4:05 Effective 2026-03-05 through 2026-03-28
Thu 10:57 Seattle-Tacoma (SEA) 17:02 Chicago O'Hare (ORD) 1 United Airlines UA 747 Non-stop Boeing 737-800 (738) 4:05 Valid until 2026-01-01
Daily 23:59 Seattle-Tacoma (SEA) 05:56 Chicago O'Hare (ORD) 1 United Airlines UA 747 Non-stop Boeing 737 MAX 8 (7M8) 3:57 Effective 2026-02-12 through 2026-03-04 The flight arrives 1 day after departure.
Daily 08:04 Seattle-Tacoma (SEA) 14:15 Chicago O'Hare (ORD) 3 American Airlines AA 851 Non-stop Boeing 737-800 (738) 4:11 Effective 2026-01-06 through 2026-02-11
Daily 07:00 Seattle-Tacoma (SEA) 13:05 Chicago O'Hare (ORD) 3 American Airlines AA 885 Non-stop Boeing 737-800 (738) 4:05 Effective 2026-04-07 through 2026-05-20
Daily 07:15 Seattle-Tacoma (SEA) 13:25 Chicago O'Hare (ORD) 3 American Airlines AA 885 Non-stop Boeing 737-800 (738) 4:10 Effective 2026-02-12 through 2026-03-07
Daily 07:15 Seattle-Tacoma (SEA) 13:28 Chicago O'Hare (ORD) 3 American Airlines AA 885 Non-stop Boeing 737-800 (738) 4:13 Effective 2026-03-08 through 2026-04-06
Daily 06:23 Seattle-Tacoma (SEA) 12:35 Chicago O'Hare (ORD) 3 American Airlines AA 1071 Non-stop Airbus A321 (321) 4:12 Effective from 2026-10-05
Mon,Wed-Sun 23:20 Seattle-Tacoma (SEA) 05:25 Chicago O'Hare (ORD) 3 American Airlines AA 1106 Non-stop Airbus A321 (321) 4:05 Effective 2026-03-08 through 2026-04-06 The flight arrives 1 day after departure.
Tue 23:50 Seattle-Tacoma (SEA) 05:54 Chicago O'Hare (ORD) 3 American Airlines AA 1106 Non-stop Airbus A321 (321) 4:04 Effective 2026-03-10 through 2026-03-31 The flight arrives 1 day after departure.
Daily 11:00 Seattle-Tacoma (SEA) 17:05 Chicago O'Hare (ORD) 1 United Airlines UA 1393 Non-stop Boeing 737-900 (739) 4:05 Effective from 2026-05-21
Daily 10:55 Seattle-Tacoma (SEA) 17:00 Chicago O'Hare (ORD) 1 United Airlines UA 1398 Non-stop Boeing 737 MAX 9 (7M9) 4:05 Effective 2026-02-12 through 2026-03-04
Daily 17:15 Seattle-Tacoma (SEA) 23:20 Chicago O'Hare (ORD) 1 United Airlines UA 1503 Non-stop Boeing 737-900 (739) 4:05 Effective 2026-05-21 through 2026-10-24
Daily 07:15 Seattle-Tacoma (SEA) 13:24 Chicago O'Hare (ORD) 5 Delta Air Lines DL 1564 Non-stop Airbus A220-300 (223) 4:09 Effective 2026-03-08 through 2026-03-14
Daily 07:15 Seattle-Tacoma (SEA) 13:25 Chicago O'Hare (ORD) 5 Delta Air Lines DL 1564 Non-stop Airbus A220-300 (223) 4:10 Effective 2026-03-15 through 2026-04-12
Daily 07:00 Seattle-Tacoma (SEA) 13:06 Chicago O'Hare (ORD) 1 United Airlines UA 1653 Non-stop Airbus A321neo (32Q) 4:06 Effective 2026-03-05 through 2026-03-28
Daily 15:12 Seattle-Tacoma (SEA) 21:25 Chicago O'Hare (ORD) 3 American Airlines AA 1802 Non-stop Boeing 737-800 (738) 4:13 Effective 2026-09-09 through 2026-10-04

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Parallax here SEA-ORD

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A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Chicago O'Hare airport (ORD).
The flight distance is 1715 miles, or 2760 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 3:45 and 4:27.

Return (ORD-SEA) flights

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All airlines flying from Seattle-Tacoma (SEA) to Chicago O'Hare (ORD).

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FLIGHT SCHEDULE

Direct Flights:

Alaska Airlines AS410

11:45

Seattle-Tacoma (SEA)

17:50

Chicago O'Hare (ORD) 2

Operates only on 2026-03-18

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:05, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS410

11:45

Seattle-Tacoma (SEA)

17:53

Chicago O'Hare (ORD) 2

Effective 2026-03-19 through 2026-05-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:08, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS410

12:40

Seattle-Tacoma (SEA)

18:55

Chicago O'Hare (ORD) 2

Effective 2026-05-13 through 2026-06-09

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:15, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS410

13:45

Seattle-Tacoma (SEA)

19:55

Chicago O'Hare (ORD) 2

Effective from 2026-06-10

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:10, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS429

09:50

Seattle-Tacoma (SEA)

15:58

Chicago O'Hare (ORD) 2

Effective 2026-04-22 through 2026-05-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:08, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS429

10:50

Seattle-Tacoma (SEA)

17:02

Chicago O'Hare (ORD) 2

Effective 2026-05-13 through 2026-06-09

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:12, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS429

10:52

Seattle-Tacoma (SEA)

17:01

Chicago O'Hare (ORD) 2

Effective from 2026-06-10

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:09, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS429

10:55

Seattle-Tacoma (SEA)

17:12

Chicago O'Hare (ORD) 2

Valid until 2026-01-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:17, non-stop
Boeing 737 (73J)

Direct Flights:

United Airlines UA464

10:55

Seattle-Tacoma (SEA)

17:06

Chicago O'Hare (ORD) 1

Effective 2026-03-29 through 2026-04-29

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:11, non-stop
Boeing 737-800 (738)

Direct Flights:

Alaska Airlines AS538

17:49

Seattle-Tacoma (SEA)

23:59

Chicago O'Hare (ORD) 2

Valid until 2026-01-05

Mon

Tue

Wed

Thu
-

Fri

Sat
-

Sun

Duration: 4:10, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS538

17:49

Seattle-Tacoma (SEA)

23:59

Chicago O'Hare (ORD) 2

Operates only on 2026-01-01

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 4:10, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS538

17:49

Seattle-Tacoma (SEA)

23:59

Chicago O'Hare (ORD) 2

Effective 2026-01-03 through 2026-01-06

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:10, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS538

17:50

Seattle-Tacoma (SEA)

23:50

Chicago O'Hare (ORD) 2

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:00, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS538

17:50

Seattle-Tacoma (SEA)

23:50

Chicago O'Hare (ORD) 2

Effective 2026-02-02 through 2026-02-07

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Alaska Airlines AS538

17:50

Seattle-Tacoma (SEA)

23:50

Chicago O'Hare (ORD) 2

Effective 2026-02-03 through 2026-02-10

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 4:00, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS538

17:50

Seattle-Tacoma (SEA)

23:50

Chicago O'Hare (ORD) 2

Operates only on 2026-02-11

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:00, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS538

17:54

Seattle-Tacoma (SEA)

23:59

Chicago O'Hare (ORD) 2

Effective from 2026-06-10

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:05, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS538

17:55

Seattle-Tacoma (SEA)

23:56

Chicago O'Hare (ORD) 2

Effective 2026-02-12 through 2026-03-09

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:01, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS538

17:55

Seattle-Tacoma (SEA)

23:56

Chicago O'Hare (ORD) 2

Effective 2026-03-10 through 2026-03-17

Mon
-

Tue

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:01, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS538

17:55

Seattle-Tacoma (SEA)

23:56

Chicago O'Hare (ORD) 2

Effective 2026-03-11 through 2026-03-15

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat

Sun

Duration: 4:01, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS538

17:55

Seattle-Tacoma (SEA)

23:56

Chicago O'Hare (ORD) 2

Operates only on 2026-03-16

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:01, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS538

17:55

Seattle-Tacoma (SEA)

23:59

Chicago O'Hare (ORD) 2

Effective 2026-05-13 through 2026-06-09

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:04, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS538

18:00

Seattle-Tacoma (SEA)

23:59

Chicago O'Hare (ORD) 2

Operates only on 2026-03-18

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 3:59, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS538

18:00

Seattle-Tacoma (SEA)

23:58

Chicago O'Hare (ORD) 2

Effective 2026-03-19 through 2026-05-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:58, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS610

00:58

Seattle-Tacoma (SEA)

07:00

Chicago O'Hare (ORD) 2

Operates only on 2026-06-10

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:02, non-stop
Boeing 737 (73J)

Direct Flights:

Delta Air Lines DL637

11:10

Seattle-Tacoma (SEA)

17:24

Chicago O'Hare (ORD) 5

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 4:14, non-stop
Airbus A220-300 (223)

Direct Flights:

Delta Air Lines DL637

11:10

Seattle-Tacoma (SEA)

17:22

Chicago O'Hare (ORD) 5

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 4:12, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL637

11:10

Seattle-Tacoma (SEA)

17:22

Chicago O'Hare (ORD) 5

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 4:12, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL637

11:10

Seattle-Tacoma (SEA)

17:22

Chicago O'Hare (ORD) 5

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 4:12, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL637

11:10

Seattle-Tacoma (SEA)

17:14

Chicago O'Hare (ORD) 5

Effective from 2026-10-06

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 4:04, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA747

07:00

Seattle-Tacoma (SEA)

13:08

Chicago O'Hare (ORD) 1

Effective 2026-01-06 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:08, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA747

10:52

Seattle-Tacoma (SEA)

17:00

Chicago O'Hare (ORD) 1

Valid until 2026-01-04

Mon

Tue

Wed

Thu
-

Fri

Sat

Sun

Duration: 4:08, non-stop
Airbus A320 (320)

Direct Flights:

United Airlines UA747

10:52

Seattle-Tacoma (SEA)

17:00

Chicago O'Hare (ORD) 1

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:08, non-stop
Airbus A319 (319)

Direct Flights:

United Airlines UA747

10:55

Seattle-Tacoma (SEA)

17:00

Chicago O'Hare (ORD) 1

Effective 2026-03-05 through 2026-03-28

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:05, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA747

10:57

Seattle-Tacoma (SEA)

17:02

Chicago O'Hare (ORD) 1

Valid until 2026-01-01

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 4:05, non-stop
Boeing 737-800 (738)

Direct Flights:

United Airlines UA747

23:59

Seattle-Tacoma (SEA)

05:56(+1)

Chicago O'Hare (ORD) 1

Effective 2026-02-12 through 2026-03-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 3:57, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Direct Flights:

American Airlines AA851

08:04

Seattle-Tacoma (SEA)

14:15

Chicago O'Hare (ORD) 3

Effective 2026-01-06 through 2026-02-11

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:11, non-stop
Boeing 737-800 (738)

Direct Flights:

American Airlines AA885

07:00

Seattle-Tacoma (SEA)

13:05

Chicago O'Hare (ORD) 3

Effective 2026-04-07 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:05, non-stop
Boeing 737-800 (738)

Direct Flights:

American Airlines AA885

07:15

Seattle-Tacoma (SEA)

13:25

Chicago O'Hare (ORD) 3

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:10, non-stop
Boeing 737-800 (738)

Direct Flights:

American Airlines AA885

07:15

Seattle-Tacoma (SEA)

13:28

Chicago O'Hare (ORD) 3

Effective 2026-03-08 through 2026-04-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:13, non-stop
Boeing 737-800 (738)

Direct Flights:

American Airlines AA1071

06:23

Seattle-Tacoma (SEA)

12:35

Chicago O'Hare (ORD) 3

Effective from 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:12, non-stop
Airbus A321 (321)

Direct Flights:

American Airlines AA1106

23:20

Seattle-Tacoma (SEA)

05:25(+1)

Chicago O'Hare (ORD) 3

Effective 2026-03-08 through 2026-04-06

Mon

Tue
-

Wed

Thu

Fri

Sat

Sun

Duration: 4:05, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.

Direct Flights:

American Airlines AA1106

23:50

Seattle-Tacoma (SEA)

05:54(+1)

Chicago O'Hare (ORD) 3

Effective 2026-03-10 through 2026-03-31

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:04, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.

Direct Flights:

United Airlines UA1393

11:00

Seattle-Tacoma (SEA)

17:05

Chicago O'Hare (ORD) 1

Effective from 2026-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:05, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA1398

10:55

Seattle-Tacoma (SEA)

17:00

Chicago O'Hare (ORD) 1

Effective 2026-02-12 through 2026-03-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:05, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

United Airlines UA1503

17:15

Seattle-Tacoma (SEA)

23:20

Chicago O'Hare (ORD) 1

Effective 2026-05-21 through 2026-10-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:05, non-stop
Boeing 737-900 (739)

Direct Flights:

Delta Air Lines DL1564

07:15

Seattle-Tacoma (SEA)

13:24

Chicago O'Hare (ORD) 5

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:09, non-stop
Airbus A220-300 (223)

Direct Flights:

Delta Air Lines DL1564

07:15

Seattle-Tacoma (SEA)

13:25

Chicago O'Hare (ORD) 5

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:10, non-stop
Airbus A220-300 (223)

Direct Flights:

United Airlines UA1653

07:00

Seattle-Tacoma (SEA)

13:06

Chicago O'Hare (ORD) 1

Effective 2026-03-05 through 2026-03-28

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:06, non-stop
Airbus A321neo (32Q)

Direct Flights:

American Airlines AA1802

15:12

Seattle-Tacoma (SEA)

21:25

Chicago O'Hare (ORD) 3

Effective 2026-09-09 through 2026-10-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:13, non-stop
Boeing 737-800 (738)

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Parallax here SEA-ORD

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A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Chicago O'Hare airport (ORD).
The flight distance is 1715 miles, or 2760 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 3:45 and 4:27.

Return (ORD-SEA) flights

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