United Airlines flights from Seattle-Tacoma (SEA) to Chicago O'Hare (ORD).

FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri 10:56 Seattle-Tacoma (SEA) 17:05 Chicago O'Hare (ORD) 1 United Airlines UA 265 Non-stop Boeing 737-900 (739) 4:09 Effective 2025-06-26 through 2025-07-31
Sat,Sun 10:56 Seattle-Tacoma (SEA) 17:05 Chicago O'Hare (ORD) 1 United Airlines UA 265 Non-stop Boeing 737-800 (738) 4:09 Effective 2025-06-28 through 2025-07-27
Tue,Wed 11:02 Seattle-Tacoma (SEA) 17:10 Chicago O'Hare (ORD) 1 United Airlines UA 265 Non-stop Airbus A321neo (32Q) 4:08 Effective 2025-07-01 through 2025-07-30
Daily 10:53 Seattle-Tacoma (SEA) 17:02 Chicago O'Hare (ORD) 1 United Airlines UA 312 Non-stop Boeing 737-800 (738) 4:09 Effective 2025-05-22 through 2025-05-31
Mon,Thu,Fri,Sun 10:55 Seattle-Tacoma (SEA) 17:04 Chicago O'Hare (ORD) 1 United Airlines UA 312 Non-stop Boeing 737-800 (738) 4:09 Effective 2025-06-01 through 2025-06-06
Sat 10:55 Seattle-Tacoma (SEA) 17:04 Chicago O'Hare (ORD) 1 United Airlines UA 312 Non-stop Airbus A319 (319) 4:09 Operates only on 2025-06-07
Sat,Sun 10:55 Seattle-Tacoma (SEA) 17:04 Chicago O'Hare (ORD) 1 United Airlines UA 312 Non-stop Boeing 737-700 (73G) 4:09 Effective 2025-06-08 through 2025-06-22
Mon,Thu,Fri 10:55 Seattle-Tacoma (SEA) 17:04 Chicago O'Hare (ORD) 1 United Airlines UA 312 Non-stop Boeing 737-800 (738) 4:09 Effective 2025-06-09 through 2025-06-23
Tue,Wed 11:01 Seattle-Tacoma (SEA) 17:10 Chicago O'Hare (ORD) 1 United Airlines UA 312 Non-stop Airbus A321neo (32Q) 4:09 Effective 2025-06-03 through 2025-06-25
Daily 23:25 Seattle-Tacoma (SEA) 05:25 Chicago O'Hare (ORD) 1 United Airlines UA 326 Non-stop Boeing 737 MAX 9 (7M9) 4:00 Effective 2025-09-25 through 2025-10-25 The flight arrives 1 day after departure.
Mon-Fri 23:45 Seattle-Tacoma (SEA) 05:48 Chicago O'Hare (ORD) 1 United Airlines UA 326 Non-stop Boeing 737 MAX 8 (7M8) 4:03 Effective 2025-08-01 through 2025-08-18 The flight arrives 1 day after departure.
Sun 23:45 Seattle-Tacoma (SEA) 05:48 Chicago O'Hare (ORD) 1 United Airlines UA 326 Non-stop Boeing 737-800 (738) 4:03 Effective 2025-08-03 through 2025-08-17 The flight arrives 1 day after departure.
Mon-Fri,Sun 23:50 Seattle-Tacoma (SEA) 05:47 Chicago O'Hare (ORD) 1 United Airlines UA 326 Non-stop Boeing 737 MAX 8 (7M8) 3:57 Effective 2025-10-26 through 2025-11-07 The flight arrives 1 day after departure.
Sat 23:50 Seattle-Tacoma (SEA) 04:47 Chicago O'Hare (ORD) 1 United Airlines UA 326 Non-stop Boeing 737 MAX 8 (7M8) 3:57 Operates only on 2025-11-01 The flight arrives 1 day after departure.
Daily 23:50 Seattle-Tacoma (SEA) 05:47 Chicago O'Hare (ORD) 1 United Airlines UA 326 Non-stop Boeing 737 MAX 8 (7M8) 3:57 Effective from 2025-11-08 The flight arrives 1 day after departure.
Daily 23:54 Seattle-Tacoma (SEA) 05:54 Chicago O'Hare (ORD) 1 United Airlines UA 326 Non-stop Boeing 737-900 (739) 4:00 Effective 2025-08-19 through 2025-09-24 The flight arrives 1 day after departure.
Daily 10:55 Seattle-Tacoma (SEA) 17:10 Chicago O'Hare (ORD) 1 United Airlines UA 747 Non-stop Airbus A321neo (32Q) 4:15 Effective 2025-08-19 through 2025-09-24
Daily 10:55 Seattle-Tacoma (SEA) 17:10 Chicago O'Hare (ORD) 1 United Airlines UA 747 Non-stop Boeing 737-900 (739) 4:15 Effective 2025-09-25 through 2025-10-25
Mon,Thu,Fri 10:56 Seattle-Tacoma (SEA) 17:05 Chicago O'Hare (ORD) 1 United Airlines UA 747 Non-stop Boeing 737-900 (739) 4:09 Effective 2025-08-01 through 2025-08-18
Sat,Sun 10:56 Seattle-Tacoma (SEA) 17:05 Chicago O'Hare (ORD) 1 United Airlines UA 747 Non-stop Boeing 737-800 (738) 4:09 Effective 2025-08-02 through 2025-08-17
Tue,Wed 11:02 Seattle-Tacoma (SEA) 17:10 Chicago O'Hare (ORD) 1 United Airlines UA 747 Non-stop Airbus A321neo (32Q) 4:08 Effective 2025-08-05 through 2025-08-13
Daily 11:05 Seattle-Tacoma (SEA) 17:10 Chicago O'Hare (ORD) 1 United Airlines UA 747 Non-stop Boeing 737-900 (739) 4:05 Effective from 2025-10-26
Mon-Fri 23:45 Seattle-Tacoma (SEA) 05:48 Chicago O'Hare (ORD) 1 United Airlines UA 747 Non-stop Boeing 737 MAX 8 (7M8) 4:03 Effective 2025-06-26 through 2025-07-03 The flight arrives 1 day after departure.
Sat,Sun 23:45 Seattle-Tacoma (SEA) 05:48 Chicago O'Hare (ORD) 1 United Airlines UA 747 Non-stop Boeing 737-800 (738) 4:03 Effective 2025-06-28 through 2025-07-27 The flight arrives 1 day after departure.
Fri 23:45 Seattle-Tacoma (SEA) 05:48 Chicago O'Hare (ORD) 1 United Airlines UA 747 Non-stop Boeing 737 MAX 9 (7M9) 4:03 Operates only on 2025-07-04 The flight arrives 1 day after departure.
Mon-Fri 23:45 Seattle-Tacoma (SEA) 05:48 Chicago O'Hare (ORD) 1 United Airlines UA 747 Non-stop Boeing 737 MAX 8 (7M8) 4:03 Effective 2025-07-07 through 2025-07-31 The flight arrives 1 day after departure.
Wed-Sat 23:50 Seattle-Tacoma (SEA) 05:53 Chicago O'Hare (ORD) 1 United Airlines UA 747 Non-stop Boeing 737-800 (738) 4:03 Effective 2025-05-22 through 2025-05-31 The flight arrives 1 day after departure.
Sun 23:50 Seattle-Tacoma (SEA) 05:53 Chicago O'Hare (ORD) 1 United Airlines UA 747 Non-stop Boeing 737 MAX 8 (7M8) 4:03 Operates only on 2025-05-25 The flight arrives 1 day after departure.
Mon,Tue 23:50 Seattle-Tacoma (SEA) 05:53 Chicago O'Hare (ORD) 1 United Airlines UA 747 Non-stop Airbus A320 (320) 4:03 Effective 2025-05-26 through 2025-05-27 The flight arrives 1 day after departure.
Mon-Thu,Sun 23:50 Seattle-Tacoma (SEA) 05:53 Chicago O'Hare (ORD) 1 United Airlines UA 747 Non-stop Boeing 737-800 (738) 4:03 Effective 2025-06-01 through 2025-06-19 The flight arrives 1 day after departure.
Fri 23:50 Seattle-Tacoma (SEA) 05:53 Chicago O'Hare (ORD) 1 United Airlines UA 747 Non-stop Airbus A319 (319) 4:03 Effective 2025-06-06 through 2025-06-13 The flight arrives 1 day after departure.
Sat 23:50 Seattle-Tacoma (SEA) 05:53 Chicago O'Hare (ORD) 1 United Airlines UA 747 Non-stop Boeing 737 MAX 8 (7M8) 4:03 Effective 2025-06-07 through 2025-06-21 The flight arrives 1 day after departure.
Mon-Wed,Fri,Sun 23:50 Seattle-Tacoma (SEA) 05:53 Chicago O'Hare (ORD) 1 United Airlines UA 747 Non-stop Boeing 737-800 (738) 4:03 Effective 2025-06-20 through 2025-06-25 The flight arrives 1 day after departure.
Thu 23:59 Seattle-Tacoma (SEA) 06:00 Chicago O'Hare (ORD) 1 United Airlines UA 747 Non-stop Boeing 737-900 (739) 4:01 Operates only on 2025-05-01 The flight arrives 1 day after departure.
Daily 23:59 Seattle-Tacoma (SEA) 06:00 Chicago O'Hare (ORD) 1 United Airlines UA 747 Non-stop Boeing 737 MAX 8 (7M8) 4:01 Effective 2025-05-02 through 2025-05-20 The flight arrives 1 day after departure.
Wed 23:59 Seattle-Tacoma (SEA) 06:00 Chicago O'Hare (ORD) 1 United Airlines UA 747 Non-stop Boeing 737-800 (738) 4:01 Operates only on 2025-05-21 The flight arrives 1 day after departure.
Sat 23:48 Seattle-Tacoma (SEA) 05:51 Chicago O'Hare (ORD) 1 United Airlines UA 1180 Non-stop Boeing 737-900 (739) 4:03 Effective 2025-08-02 through 2025-08-16 The flight arrives 1 day after departure.
Sat 17:26 Seattle-Tacoma (SEA) 23:33 Chicago O'Hare (ORD) 1 United Airlines UA 1219 Non-stop Boeing 737-900 (739) 4:07 Effective 2025-06-07 through 2025-06-21
Sun 17:07 Seattle-Tacoma (SEA) 23:14 Chicago O'Hare (ORD) 1 United Airlines UA 1312 Non-stop Boeing 737-800 (738) 4:07 Operates only on 2025-05-25
Sat 17:26 Seattle-Tacoma (SEA) 23:33 Chicago O'Hare (ORD) 1 United Airlines UA 1312 Non-stop Boeing 737-900 (739) 4:07 Effective 2025-05-24 through 2025-05-31
Sat 17:23 Seattle-Tacoma (SEA) 23:30 Chicago O'Hare (ORD) 1 United Airlines UA 1340 Non-stop Airbus A319 (319) 4:07 Effective 2025-08-02 through 2025-08-16
Daily 07:00 Seattle-Tacoma (SEA) 13:14 Chicago O'Hare (ORD) 1 United Airlines UA 1502 Non-stop Airbus A321neo (32Q) 4:14 Effective 2025-08-01 through 2025-08-18
Thu 07:00 Seattle-Tacoma (SEA) 13:14 Chicago O'Hare (ORD) 1 United Airlines UA 1617 Non-stop Boeing 737 MAX 9 (7M9) 4:14 Operates only on 2025-05-22
Daily 07:00 Seattle-Tacoma (SEA) 13:14 Chicago O'Hare (ORD) 1 United Airlines UA 1617 Non-stop Airbus A321neo (32Q) 4:14 Effective 2025-05-23 through 2025-07-31
Daily 17:18 Seattle-Tacoma (SEA) 23:23 Chicago O'Hare (ORD) 1 United Airlines UA 1777 Non-stop Airbus A320 (320) 4:05 Effective 2025-05-02 through 2025-05-21
Thu 17:26 Seattle-Tacoma (SEA) 23:31 Chicago O'Hare (ORD) 1 United Airlines UA 1777 Non-stop Boeing 737-900 (739) 4:05 Operates only on 2025-05-01
Thu 00:20 Seattle-Tacoma (SEA) 06:28 Chicago O'Hare (ORD) 1 United Airlines UA 1832 Non-stop Boeing 737-900 (739) 4:08 Operates only on 2025-06-26
Daily 00:20 Seattle-Tacoma (SEA) 06:28 Chicago O'Hare (ORD) 1 United Airlines UA 1832 Non-stop Airbus A320 (320) 4:08 Effective 2025-06-27 through 2025-07-04
Daily 00:20 Seattle-Tacoma (SEA) 06:28 Chicago O'Hare (ORD) 1 United Airlines UA 1832 Non-stop Airbus A320 (320) 4:08 Effective 2025-07-06 through 2025-08-18
Daily 16:55 Seattle-Tacoma (SEA) 22:55 Chicago O'Hare (ORD) 1 United Airlines UA 1951 Non-stop Boeing 737-800 (738) 4:00 Effective 2025-09-25 through 2025-10-25

1 2

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 3:57 and 4:16.

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United Airlines flights from Seattle-Tacoma (SEA) to Chicago O'Hare (ORD).

FLIGHT SCHEDULE

Direct Flights:

United Airlines UA265

10:56

Seattle-Tacoma (SEA)

17:05

Chicago O'Hare (ORD) 1

Effective 2025-06-26 through 2025-07-31

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:09, non-stop
Boeing 737-900 (739)

United Airlines UA265

10:56

Seattle-Tacoma (SEA)

17:05

Chicago O'Hare (ORD) 1

Effective 2025-06-28 through 2025-07-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun

Duration: 4:09, non-stop
Boeing 737-800 (738)

United Airlines UA265

11:02

Seattle-Tacoma (SEA)

17:10

Chicago O'Hare (ORD) 1

Effective 2025-07-01 through 2025-07-30

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

United Airlines UA312

10:53

Seattle-Tacoma (SEA)

17:02

Chicago O'Hare (ORD) 1

Effective 2025-05-22 through 2025-05-31

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:09, non-stop
Boeing 737-800 (738)

United Airlines UA312

10:55

Seattle-Tacoma (SEA)

17:04

Chicago O'Hare (ORD) 1

Effective 2025-06-01 through 2025-06-06

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 4:09, non-stop
Boeing 737-800 (738)

United Airlines UA312

10:55

Seattle-Tacoma (SEA)

17:04

Chicago O'Hare (ORD) 1

Operates only on 2025-06-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:09, non-stop
Airbus A319 (319)

United Airlines UA312

10:55

Seattle-Tacoma (SEA)

17:04

Chicago O'Hare (ORD) 1

Effective 2025-06-08 through 2025-06-22

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun

Duration: 4:09, non-stop
Boeing 737-700 (73G)

United Airlines UA312

10:55

Seattle-Tacoma (SEA)

17:04

Chicago O'Hare (ORD) 1

Effective 2025-06-09 through 2025-06-23

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:09, non-stop
Boeing 737-800 (738)

United Airlines UA312

11:01

Seattle-Tacoma (SEA)

17:10

Chicago O'Hare (ORD) 1

Effective 2025-06-03 through 2025-06-25

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:09, non-stop
Airbus A321neo (32Q)

United Airlines UA326

23:25

Seattle-Tacoma (SEA)

05:25(+1)

Chicago O'Hare (ORD) 1

Effective 2025-09-25 through 2025-10-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:00, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

United Airlines UA326

23:45

Seattle-Tacoma (SEA)

05:48(+1)

Chicago O'Hare (ORD) 1

Effective 2025-08-01 through 2025-08-18

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 4:03, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

United Airlines UA326

23:45

Seattle-Tacoma (SEA)

05:48(+1)

Chicago O'Hare (ORD) 1

Effective 2025-08-03 through 2025-08-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:03, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.

United Airlines UA326

23:50

Seattle-Tacoma (SEA)

05:47(+1)

Chicago O'Hare (ORD) 1

Effective 2025-10-26 through 2025-11-07

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

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

United Airlines UA326

23:50

Seattle-Tacoma (SEA)

04:47(+1)

Chicago O'Hare (ORD) 1

Operates only on 2025-11-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

United Airlines UA326

23:50

Seattle-Tacoma (SEA)

05:47(+1)

Chicago O'Hare (ORD) 1

Effective from 2025-11-08

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

United Airlines UA326

23:54

Seattle-Tacoma (SEA)

05:54(+1)

Chicago O'Hare (ORD) 1

Effective 2025-08-19 through 2025-09-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:00, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.

United Airlines UA747

10:55

Seattle-Tacoma (SEA)

17:10

Chicago O'Hare (ORD) 1

Effective 2025-08-19 through 2025-09-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:15, non-stop
Airbus A321neo (32Q)

United Airlines UA747

10:55

Seattle-Tacoma (SEA)

17:10

Chicago O'Hare (ORD) 1

Effective 2025-09-25 through 2025-10-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:15, non-stop
Boeing 737-900 (739)

United Airlines UA747

10:56

Seattle-Tacoma (SEA)

17:05

Chicago O'Hare (ORD) 1

Effective 2025-08-01 through 2025-08-18

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:09, non-stop
Boeing 737-900 (739)

United Airlines UA747

10:56

Seattle-Tacoma (SEA)

17:05

Chicago O'Hare (ORD) 1

Effective 2025-08-02 through 2025-08-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun

Duration: 4:09, non-stop
Boeing 737-800 (738)

United Airlines UA747

11:02

Seattle-Tacoma (SEA)

17:10

Chicago O'Hare (ORD) 1

Effective 2025-08-05 through 2025-08-13

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

United Airlines UA747

11:05

Seattle-Tacoma (SEA)

17:10

Chicago O'Hare (ORD) 1

Effective from 2025-10-26

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

United Airlines UA747

23:45

Seattle-Tacoma (SEA)

05:48(+1)

Chicago O'Hare (ORD) 1

Effective 2025-06-26 through 2025-07-03

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 4:03, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

United Airlines UA747

23:45

Seattle-Tacoma (SEA)

05:48(+1)

Chicago O'Hare (ORD) 1

Effective 2025-06-28 through 2025-07-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun

Duration: 4:03, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.

United Airlines UA747

23:45

Seattle-Tacoma (SEA)

05:48(+1)

Chicago O'Hare (ORD) 1

Operates only on 2025-07-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 4:03, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

United Airlines UA747

23:45

Seattle-Tacoma (SEA)

05:48(+1)

Chicago O'Hare (ORD) 1

Effective 2025-07-07 through 2025-07-31

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 4:03, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

United Airlines UA747

23:50

Seattle-Tacoma (SEA)

05:53(+1)

Chicago O'Hare (ORD) 1

Effective 2025-05-22 through 2025-05-31

Mon
-

Tue
-

Wed

Thu

Fri

Sat

Sun
-

Duration: 4:03, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.

United Airlines UA747

23:50

Seattle-Tacoma (SEA)

05:53(+1)

Chicago O'Hare (ORD) 1

Operates only on 2025-05-25

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:03, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

United Airlines UA747

23:50

Seattle-Tacoma (SEA)

05:53(+1)

Chicago O'Hare (ORD) 1

Effective 2025-05-26 through 2025-05-27

Mon

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:03, non-stop
Airbus A320 (320)
The flight arrives 1 day after departure.

United Airlines UA747

23:50

Seattle-Tacoma (SEA)

05:53(+1)

Chicago O'Hare (ORD) 1

Effective 2025-06-01 through 2025-06-19

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun

Duration: 4:03, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.

United Airlines UA747

23:50

Seattle-Tacoma (SEA)

05:53(+1)

Chicago O'Hare (ORD) 1

Effective 2025-06-06 through 2025-06-13

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 4:03, non-stop
Airbus A319 (319)
The flight arrives 1 day after departure.

United Airlines UA747

23:50

Seattle-Tacoma (SEA)

05:53(+1)

Chicago O'Hare (ORD) 1

Effective 2025-06-07 through 2025-06-21

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:03, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

United Airlines UA747

23:50

Seattle-Tacoma (SEA)

05:53(+1)

Chicago O'Hare (ORD) 1

Effective 2025-06-20 through 2025-06-25

Mon

Tue

Wed

Thu
-

Fri

Sat
-

Sun

Duration: 4:03, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.

United Airlines UA747

23:59

Seattle-Tacoma (SEA)

06:00(+1)

Chicago O'Hare (ORD) 1

Operates only on 2025-05-01

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 4:01, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.

United Airlines UA747

23:59

Seattle-Tacoma (SEA)

06:00(+1)

Chicago O'Hare (ORD) 1

Effective 2025-05-02 through 2025-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:01, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

United Airlines UA747

23:59

Seattle-Tacoma (SEA)

06:00(+1)

Chicago O'Hare (ORD) 1

Operates only on 2025-05-21

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:01, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.

United Airlines UA1180

23:48

Seattle-Tacoma (SEA)

05:51(+1)

Chicago O'Hare (ORD) 1

Effective 2025-08-02 through 2025-08-16

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:03, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.

United Airlines UA1219

17:26

Seattle-Tacoma (SEA)

23:33

Chicago O'Hare (ORD) 1

Effective 2025-06-07 through 2025-06-21

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:07, non-stop
Boeing 737-900 (739)

United Airlines UA1312

17:07

Seattle-Tacoma (SEA)

23:14

Chicago O'Hare (ORD) 1

Operates only on 2025-05-25

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:07, non-stop
Boeing 737-800 (738)

United Airlines UA1312

17:26

Seattle-Tacoma (SEA)

23:33

Chicago O'Hare (ORD) 1

Effective 2025-05-24 through 2025-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:07, non-stop
Boeing 737-900 (739)

United Airlines UA1340

17:23

Seattle-Tacoma (SEA)

23:30

Chicago O'Hare (ORD) 1

Effective 2025-08-02 through 2025-08-16

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:07, non-stop
Airbus A319 (319)

United Airlines UA1502

07:00

Seattle-Tacoma (SEA)

13:14

Chicago O'Hare (ORD) 1

Effective 2025-08-01 through 2025-08-18

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:14, non-stop
Airbus A321neo (32Q)

United Airlines UA1617

07:00

Seattle-Tacoma (SEA)

13:14

Chicago O'Hare (ORD) 1

Operates only on 2025-05-22

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 4:14, non-stop
Boeing 737 MAX 9 (7M9)

United Airlines UA1617

07:00

Seattle-Tacoma (SEA)

13:14

Chicago O'Hare (ORD) 1

Effective 2025-05-23 through 2025-07-31

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:14, non-stop
Airbus A321neo (32Q)

United Airlines UA1777

17:18

Seattle-Tacoma (SEA)

23:23

Chicago O'Hare (ORD) 1

Effective 2025-05-02 through 2025-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:05, non-stop
Airbus A320 (320)

United Airlines UA1777

17:26

Seattle-Tacoma (SEA)

23:31

Chicago O'Hare (ORD) 1

Operates only on 2025-05-01

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

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

United Airlines UA1832

00:20

Seattle-Tacoma (SEA)

06:28

Chicago O'Hare (ORD) 1

Operates only on 2025-06-26

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 4:08, non-stop
Boeing 737-900 (739)

United Airlines UA1832

00:20

Seattle-Tacoma (SEA)

06:28

Chicago O'Hare (ORD) 1

Effective 2025-06-27 through 2025-07-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

United Airlines UA1832

00:20

Seattle-Tacoma (SEA)

06:28

Chicago O'Hare (ORD) 1

Effective 2025-07-06 through 2025-08-18

Mon

Tue

Wed

Thu

Fri

Sat

Sun

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

United Airlines UA1951

16:55

Seattle-Tacoma (SEA)

22:55

Chicago O'Hare (ORD) 1

Effective 2025-09-25 through 2025-10-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:00, non-stop
Boeing 737-800 (738)

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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 3:57 and 4:16.

All SEA-ORD flights

All United Airlines flights

Return (ORD-SEA) flights

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