United Airlines flights from San Francisco (SFO) to Chicago O'Hare (ORD).

FLIGHT SCHEDULE
Direct Flights:
Daily 06:45 San Francisco (SFO) 3 13:10 Chicago O'Hare (ORD) 1 United Airlines UA 2091 Non-stop Airbus A321neo (32Q) 4:25 Effective 2026-02-05 through 2026-02-11
Daily 06:45 San Francisco (SFO) 3 13:06 Chicago O'Hare (ORD) 1 United Airlines UA 2091 Non-stop Airbus A321neo (32Q) 4:21 Effective 2026-02-12 through 2026-03-28
Daily 23:05 San Francisco (SFO) 3 05:27 Chicago O'Hare (ORD) 1 United Airlines UA 2097 Non-stop Boeing 777 (777) 4:22 Valid until 2026-01-05 The flight arrives 1 day after departure.
Sat 13:03 San Francisco (SFO) 3 19:33 Chicago O'Hare (ORD) 1 United Airlines UA 2125 Non-stop Boeing 737-900 (739) 4:30 Operates only on 2026-01-03
Mon-Sat 12:25 San Francisco (SFO) 3 18:48 Chicago O'Hare (ORD) 1 United Airlines UA 2131 Non-stop Boeing 737-900 (739) 4:23 Effective 2026-01-06 through 2026-02-11
Sun 12:32 San Francisco (SFO) 3 18:55 Chicago O'Hare (ORD) 1 United Airlines UA 2131 Non-stop Boeing 737-900 (739) 4:23 Effective 2026-01-11 through 2026-02-08
Mon,Thu,Fri,Sun 15:15 San Francisco (SFO) 3 21:36 Chicago O'Hare (ORD) 1 United Airlines UA 2227 Non-stop Boeing 737-900 (739) 4:21 Effective 2026-02-12 through 2026-03-02
Daily 05:00 San Francisco (SFO) 3 11:25 Chicago O'Hare (ORD) 1 United Airlines UA 2244 Non-stop Airbus A321neo (32Q) 4:25 Valid until 2026-01-05
Mon,Thu-Sun 18:44 San Francisco (SFO) 3 00:59 Chicago O'Hare (ORD) 1 United Airlines UA 2262 Non-stop Airbus A321neo (32Q) 4:15 Effective 2026-03-05 through 2026-03-28 The flight arrives 1 day after departure.
Mon,Tue,Thu-Sat 18:50 San Francisco (SFO) 3 01:09 Chicago O'Hare (ORD) 1 United Airlines UA 2267 Non-stop Airbus A321neo (32Q) 4:19 Valid until 2026-01-05 The flight arrives 1 day after departure.
Sun 18:50 San Francisco (SFO) 3 01:09 Chicago O'Hare (ORD) 1 United Airlines UA 2267 Non-stop Boeing 737-900 (739) 4:19 Operates only on 2026-01-04 The flight arrives 1 day after departure.
Daily 22:35 San Francisco (SFO) 3 04:58 Chicago O'Hare (ORD) 1 United Airlines UA 2278 Non-stop Boeing 757-300 (753) 4:23 Effective 2026-05-21 through 2026-10-24 The flight arrives 1 day after departure.
Daily 22:45 San Francisco (SFO) 3 05:15 Chicago O'Hare (ORD) 1 United Airlines UA 2278 Non-stop Boeing 777 (777) 4:30 Effective 2026-04-30 through 2026-05-20 The flight arrives 1 day after departure.
Daily 22:50 San Francisco (SFO) 3 05:12 Chicago O'Hare (ORD) 1 United Airlines UA 2278 Non-stop Boeing 737 MAX 9 (7M9) 4:22 Effective 2026-02-12 through 2026-03-03 The flight arrives 1 day after departure.
Wed 22:50 San Francisco (SFO) 3 05:12 Chicago O'Hare (ORD) 1 United Airlines UA 2278 Non-stop Boeing 737-900 (739) 4:22 Operates only on 2026-03-04 The flight arrives 1 day after departure.
Mon-Fri,Sun 22:50 San Francisco (SFO) 3 05:12 Chicago O'Hare (ORD) 1 United Airlines UA 2278 Non-stop Boeing 737 MAX 9 (7M9) 4:22 Effective 2026-03-05 through 2026-03-13 The flight arrives 1 day after departure.
Sat 22:50 San Francisco (SFO) 3 06:12 Chicago O'Hare (ORD) 1 United Airlines UA 2278 Non-stop Boeing 737 MAX 9 (7M9) 4:22 Operates only on 2026-03-07 The flight arrives 1 day after departure.
Daily 22:50 San Francisco (SFO) 3 05:12 Chicago O'Hare (ORD) 1 United Airlines UA 2278 Non-stop Boeing 737 MAX 9 (7M9) 4:22 Effective 2026-03-14 through 2026-03-28 The flight arrives 1 day after departure.
Daily 22:50 San Francisco (SFO) 3 05:27 Chicago O'Hare (ORD) 1 United Airlines UA 2278 Non-stop Airbus A321neo (32Q) 4:37 Effective 2026-03-29 through 2026-04-29 The flight arrives 1 day after departure.
Mon-Fri,Sun 22:50 San Francisco (SFO) 3 05:27 Chicago O'Hare (ORD) 1 United Airlines UA 2278 Non-stop Airbus A321neo (32Q) 4:37 Effective from 2026-10-25 The flight arrives 1 day after departure.
Mon 13:28 San Francisco (SFO) 3 19:58 Chicago O'Hare (ORD) 1 United Airlines UA 2378 Non-stop Airbus A321neo (32Q) 4:30 Operates only on 2026-01-05
Sun 13:35 San Francisco (SFO) 3 20:05 Chicago O'Hare (ORD) 1 United Airlines UA 2378 Non-stop Boeing 737-900 (739) 4:30 Valid until 2026-01-04
Mon-Fri 13:35 San Francisco (SFO) 3 20:05 Chicago O'Hare (ORD) 1 United Airlines UA 2378 Non-stop Airbus A321neo (32Q) 4:30 Valid until 2026-01-02
Sat 13:35 San Francisco (SFO) 3 19:50 Chicago O'Hare (ORD) 1 United Airlines UA 2378 Non-stop Boeing 787-8 (788) 4:15 Operates only on 2026-01-03
Daily 14:50 San Francisco (SFO) 3 21:27 Chicago O'Hare (ORD) 1 United Airlines UA 2855 Non-stop Airbus A321neo (32Q) 4:37 Effective 2026-08-10 through 2026-10-24
Daily 15:00 San Francisco (SFO) 3 21:38 Chicago O'Hare (ORD) 1 United Airlines UA 2855 Non-stop Airbus A321neo (32Q) 4:38 Effective 2026-03-29 through 2026-04-29
Daily 15:00 San Francisco (SFO) 3 21:33 Chicago O'Hare (ORD) 1 United Airlines UA 2855 Non-stop Boeing 757-300 (753) 4:33 Effective 2026-04-30 through 2026-05-20
Daily 15:00 San Francisco (SFO) 3 21:38 Chicago O'Hare (ORD) 1 United Airlines UA 2855 Non-stop Airbus A321neo (32Q) 4:38 Effective from 2026-10-25
Mon-Fri,Sun 15:15 San Francisco (SFO) 3 21:36 Chicago O'Hare (ORD) 1 United Airlines UA 2855 Non-stop Boeing 737-900 (739) 4:21 Effective 2026-03-05 through 2026-03-27
Sat 15:15 San Francisco (SFO) 3 21:36 Chicago O'Hare (ORD) 1 United Airlines UA 2855 Non-stop Boeing 737 MAX 9 (7M9) 4:21 Effective 2026-03-07 through 2026-03-21
Sat 15:15 San Francisco (SFO) 3 21:36 Chicago O'Hare (ORD) 1 United Airlines UA 2855 Non-stop Boeing 737-900 (739) 4:21 Operates only on 2026-03-28
Daily 10:35 San Francisco (SFO) 3 17:04 Chicago O'Hare (ORD) 1 United Airlines UA 2863 Non-stop Airbus A321neo (32Q) 4:29 Valid until 2026-01-05
Non-Direct Flights:
Mon-Sat 11:00 San Francisco (SFO) 3 20:24 Chicago O'Hare (ORD) 1 United Airlines UA 520 1-stop Boeing 737-900 (739) 7:24 Effective 2026-01-06 through 2026-02-11
Sun 11:00 San Francisco (SFO) 3 20:22 Chicago O'Hare (ORD) 1 United Airlines UA 520 1-stop Boeing 737-900 (739) 7:22 Effective 2026-01-11 through 2026-02-08
Mon-Fri,Sun 21:30 San Francisco (SFO) 3 06:02 Chicago O'Hare (ORD) 1 United Airlines UA 552 1-stop Boeing 737 MAX 9 (7M9) 6:32 Effective 2026-03-05 through 2026-03-13 The flight arrives 1 day after departure.
Sat 21:30 San Francisco (SFO) 3 07:02 Chicago O'Hare (ORD) 1 United Airlines UA 552 1-stop Boeing 737 MAX 9 (7M9) 6:32 Operates only on 2026-03-07 The flight arrives 1 day after departure.
Daily 21:30 San Francisco (SFO) 3 06:02 Chicago O'Hare (ORD) 1 United Airlines UA 552 1-stop Boeing 737 MAX 9 (7M9) 6:32 Effective 2026-03-14 through 2026-03-28 The flight arrives 1 day after departure.
Thu-Sat 08:35 San Francisco (SFO) 3 22:57 Chicago O'Hare (ORD) 1 United Airlines UA 583 1-stop Boeing 737 MAX 9 (7M9) 12:22 Effective 2026-03-05 through 2026-03-07
Daily 08:38 San Francisco (SFO) 3 20:22 Chicago O'Hare (ORD) 1 United Airlines UA 583 1-stop Boeing 737 MAX 9 (7M9) 9:44 Effective 2026-03-29 through 2026-04-29
Daily 08:38 San Francisco (SFO) 3 20:12 Chicago O'Hare (ORD) 1 United Airlines UA 583 1-stop Boeing 737 MAX 9 (7M9) 9:34 Effective 2026-04-30 through 2026-05-20
Daily 08:38 San Francisco (SFO) 3 20:09 Chicago O'Hare (ORD) 1 United Airlines UA 583 1-stop Boeing 737 MAX 9 (7M9) 9:31 Effective from 2026-10-25
Daily 08:45 San Francisco (SFO) 3 22:57 Chicago O'Hare (ORD) 1 United Airlines UA 583 1-stop Boeing 737 MAX 9 (7M9) 12:12 Effective 2026-03-08 through 2026-03-28
Daily 07:00 San Francisco (SFO) 3 20:25 Chicago O'Hare (ORD) 1 United Airlines UA 1015 1-stop Boeing 737 MAX 9 (7M9) 11:25 Effective 2026-05-21 through 2026-08-09
Thu-Sat 08:35 San Francisco (SFO) 3 18:45 Chicago O'Hare (ORD) 1 United Airlines UA 1023 1-stop Boeing 757-300 (753) 8:10 Effective 2026-03-05 through 2026-03-07
Daily 08:45 San Francisco (SFO) 3 18:45 Chicago O'Hare (ORD) 1 United Airlines UA 1023 1-stop Boeing 757-300 (753) 8:00 Effective 2026-03-08 through 2026-03-28
Daily 08:23 San Francisco (SFO) 3 19:58 Chicago O'Hare (ORD) 1 United Airlines UA 1209 1-stop Boeing 737 MAX 9 (7M9) 9:35 Effective 2026-03-29 through 2026-04-29
Daily 08:23 San Francisco (SFO) 3 20:15 Chicago O'Hare (ORD) 1 United Airlines UA 1209 1-stop Boeing 737 MAX 8 (7M8) 9:52 Effective 2026-04-30 through 2026-05-20
Daily 08:23 San Francisco (SFO) 3 19:56 Chicago O'Hare (ORD) 1 United Airlines UA 1209 1-stop Boeing 737 MAX 8 (7M8) 9:33 Effective from 2026-05-21
Sat 12:55 San Francisco (SFO) 3 22:59 Chicago O'Hare (ORD) 1 United Airlines UA 1259 1-stop Boeing 737 MAX 8 (7M8) 8:04 Effective 2026-02-14 through 2026-02-28
Mon,Thu,Sun 13:00 San Francisco (SFO) 3 22:58 Chicago O'Hare (ORD) 1 United Airlines UA 1259 1-stop Boeing 737 MAX 8 (7M8) 7:58 Effective 2026-01-08 through 2026-01-15

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A domestic route departing from the San Francisco airport (SFO) and arriving at Chicago O'Hare airport (ORD).
The flight distance is 1840 miles, or 2962 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 4:12 and 4:38.

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United Airlines flights from San Francisco (SFO) to Chicago O'Hare (ORD).

FLIGHT SCHEDULE

Direct Flights:

United Airlines UA2091

06:45

San Francisco (SFO) 3

13:10

Chicago O'Hare (ORD) 1

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:25, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA2091

06:45

San Francisco (SFO) 3

13:06

Chicago O'Hare (ORD) 1

Effective 2026-02-12 through 2026-03-28

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:21, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA2097

23:05

San Francisco (SFO) 3

05:27(+1)

Chicago O'Hare (ORD) 1

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:22, non-stop
Boeing 777 (777)
The flight arrives 1 day after departure.

Direct Flights:

United Airlines UA2125

13:03

San Francisco (SFO) 3

19:33

Chicago O'Hare (ORD) 1

Operates only on 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:30, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA2131

12:25

San Francisco (SFO) 3

18:48

Chicago O'Hare (ORD) 1

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun
-

Duration: 4:23, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA2131

12:32

San Francisco (SFO) 3

18:55

Chicago O'Hare (ORD) 1

Effective 2026-01-11 through 2026-02-08

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:23, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA2227

15:15

San Francisco (SFO) 3

21:36

Chicago O'Hare (ORD) 1

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 4:21, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA2244

05:00

San Francisco (SFO) 3

11:25

Chicago O'Hare (ORD) 1

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:25, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA2262

18:44

San Francisco (SFO) 3

00:59(+1)

Chicago O'Hare (ORD) 1

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun

Duration: 4:15, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.

Direct Flights:

United Airlines UA2267

18:50

San Francisco (SFO) 3

01:09(+1)

Chicago O'Hare (ORD) 1

Valid until 2026-01-05

Mon

Tue

Wed
-

Thu

Fri

Sat

Sun
-

Duration: 4:19, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.

Direct Flights:

United Airlines UA2267

18:50

San Francisco (SFO) 3

01:09(+1)

Chicago O'Hare (ORD) 1

Operates only on 2026-01-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:19, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.

Direct Flights:

United Airlines UA2278

22:35

San Francisco (SFO) 3

04:58(+1)

Chicago O'Hare (ORD) 1

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:23, non-stop
Boeing 757-300 (753)
The flight arrives 1 day after departure.

Direct Flights:

United Airlines UA2278

22:45

San Francisco (SFO) 3

05:15(+1)

Chicago O'Hare (ORD) 1

Effective 2026-04-30 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:30, non-stop
Boeing 777 (777)
The flight arrives 1 day after departure.

Direct Flights:

United Airlines UA2278

22:50

San Francisco (SFO) 3

05:12(+1)

Chicago O'Hare (ORD) 1

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:22, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Direct Flights:

United Airlines UA2278

22:50

San Francisco (SFO) 3

05:12(+1)

Chicago O'Hare (ORD) 1

Operates only on 2026-03-04

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:22, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.

Direct Flights:

United Airlines UA2278

22:50

San Francisco (SFO) 3

05:12(+1)

Chicago O'Hare (ORD) 1

Effective 2026-03-05 through 2026-03-13

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 4:22, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Direct Flights:

United Airlines UA2278

22:50

San Francisco (SFO) 3

06:12(+1)

Chicago O'Hare (ORD) 1

Operates only on 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:22, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Direct Flights:

United Airlines UA2278

22:50

San Francisco (SFO) 3

05:12(+1)

Chicago O'Hare (ORD) 1

Effective 2026-03-14 through 2026-03-28

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:22, non-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Direct Flights:

United Airlines UA2278

22:50

San Francisco (SFO) 3

05:27(+1)

Chicago O'Hare (ORD) 1

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:37, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.

Direct Flights:

United Airlines UA2278

22:50

San Francisco (SFO) 3

05:27(+1)

Chicago O'Hare (ORD) 1

Effective from 2026-10-25

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 4:37, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.

Direct Flights:

United Airlines UA2378

13:28

San Francisco (SFO) 3

19:58

Chicago O'Hare (ORD) 1

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:30, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA2378

13:35

San Francisco (SFO) 3

20:05

Chicago O'Hare (ORD) 1

Valid until 2026-01-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:30, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA2378

13:35

San Francisco (SFO) 3

20:05

Chicago O'Hare (ORD) 1

Valid until 2026-01-02

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 4:30, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA2378

13:35

San Francisco (SFO) 3

19:50

Chicago O'Hare (ORD) 1

Operates only on 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:15, non-stop
Boeing 787-8 (788)

Direct Flights:

United Airlines UA2855

14:50

San Francisco (SFO) 3

21:27

Chicago O'Hare (ORD) 1

Effective 2026-08-10 through 2026-10-24

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:37, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA2855

15:00

San Francisco (SFO) 3

21:38

Chicago O'Hare (ORD) 1

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:38, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA2855

15:00

San Francisco (SFO) 3

21:33

Chicago O'Hare (ORD) 1

Effective 2026-04-30 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:33, non-stop
Boeing 757-300 (753)

Direct Flights:

United Airlines UA2855

15:00

San Francisco (SFO) 3

21:38

Chicago O'Hare (ORD) 1

Effective from 2026-10-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:38, non-stop
Airbus A321neo (32Q)

Direct Flights:

United Airlines UA2855

15:15

San Francisco (SFO) 3

21:36

Chicago O'Hare (ORD) 1

Effective 2026-03-05 through 2026-03-27

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 4:21, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA2855

15:15

San Francisco (SFO) 3

21:36

Chicago O'Hare (ORD) 1

Effective 2026-03-07 through 2026-03-21

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:21, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

United Airlines UA2855

15:15

San Francisco (SFO) 3

21:36

Chicago O'Hare (ORD) 1

Operates only on 2026-03-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:21, non-stop
Boeing 737-900 (739)

Direct Flights:

United Airlines UA2863

10:35

San Francisco (SFO) 3

17:04

Chicago O'Hare (ORD) 1

Valid until 2026-01-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:29, non-stop
Airbus A321neo (32Q)

Non-Direct Flights:

United Airlines UA520

11:00

San Francisco (SFO) 3

20:24

Chicago O'Hare (ORD) 1

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun
-

Duration: 7:24, 1-stop
Boeing 737-900 (739)

Non-Direct Flights:

United Airlines UA520

11:00

San Francisco (SFO) 3

20:22

Chicago O'Hare (ORD) 1

Effective 2026-01-11 through 2026-02-08

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 7:22, 1-stop
Boeing 737-900 (739)

Non-Direct Flights:

United Airlines UA552

21:30

San Francisco (SFO) 3

06:02(+1)

Chicago O'Hare (ORD) 1

Effective 2026-03-05 through 2026-03-13

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 6:32, 1-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Non-Direct Flights:

United Airlines UA552

21:30

San Francisco (SFO) 3

07:02(+1)

Chicago O'Hare (ORD) 1

Operates only on 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 6:32, 1-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Non-Direct Flights:

United Airlines UA552

21:30

San Francisco (SFO) 3

06:02(+1)

Chicago O'Hare (ORD) 1

Effective 2026-03-14 through 2026-03-28

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 6:32, 1-stop
Boeing 737 MAX 9 (7M9)
The flight arrives 1 day after departure.

Non-Direct Flights:

United Airlines UA583

08:35

San Francisco (SFO) 3

22:57

Chicago O'Hare (ORD) 1

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat

Sun
-

Duration: 12:22, 1-stop
Boeing 737 MAX 9 (7M9)

Non-Direct Flights:

United Airlines UA583

08:38

San Francisco (SFO) 3

20:22

Chicago O'Hare (ORD) 1

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 9:44, 1-stop
Boeing 737 MAX 9 (7M9)

Non-Direct Flights:

United Airlines UA583

08:38

San Francisco (SFO) 3

20:12

Chicago O'Hare (ORD) 1

Effective 2026-04-30 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 9:34, 1-stop
Boeing 737 MAX 9 (7M9)

Non-Direct Flights:

United Airlines UA583

08:38

San Francisco (SFO) 3

20:09

Chicago O'Hare (ORD) 1

Effective from 2026-10-25

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 9:31, 1-stop
Boeing 737 MAX 9 (7M9)

Non-Direct Flights:

United Airlines UA583

08:45

San Francisco (SFO) 3

22:57

Chicago O'Hare (ORD) 1

Effective 2026-03-08 through 2026-03-28

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 12:12, 1-stop
Boeing 737 MAX 9 (7M9)

Non-Direct Flights:

United Airlines UA1015

07:00

San Francisco (SFO) 3

20:25

Chicago O'Hare (ORD) 1

Effective 2026-05-21 through 2026-08-09

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 11:25, 1-stop
Boeing 737 MAX 9 (7M9)

Non-Direct Flights:

United Airlines UA1023

08:35

San Francisco (SFO) 3

18:45

Chicago O'Hare (ORD) 1

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

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat

Sun
-

Duration: 8:10, 1-stop
Boeing 757-300 (753)

Non-Direct Flights:

United Airlines UA1023

08:45

San Francisco (SFO) 3

18:45

Chicago O'Hare (ORD) 1

Effective 2026-03-08 through 2026-03-28

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 8:00, 1-stop
Boeing 757-300 (753)

Non-Direct Flights:

United Airlines UA1209

08:23

San Francisco (SFO) 3

19:58

Chicago O'Hare (ORD) 1

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 9:35, 1-stop
Boeing 737 MAX 9 (7M9)

Non-Direct Flights:

United Airlines UA1209

08:23

San Francisco (SFO) 3

20:15

Chicago O'Hare (ORD) 1

Effective 2026-04-30 through 2026-05-20

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 9:52, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

United Airlines UA1209

08:23

San Francisco (SFO) 3

19:56

Chicago O'Hare (ORD) 1

Effective from 2026-05-21

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 9:33, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

United Airlines UA1259

12:55

San Francisco (SFO) 3

22:59

Chicago O'Hare (ORD) 1

Effective 2026-02-14 through 2026-02-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 8:04, 1-stop
Boeing 737 MAX 8 (7M8)

Non-Direct Flights:

United Airlines UA1259

13:00

San Francisco (SFO) 3

22:58

Chicago O'Hare (ORD) 1

Effective 2026-01-08 through 2026-01-15

Mon

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun

Duration: 7:58, 1-stop
Boeing 737 MAX 8 (7M8)

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A domestic route departing from the San Francisco airport (SFO) and arriving at Chicago O'Hare airport (ORD).
The flight distance is 1840 miles, or 2962 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 4:12 and 4:38.

All SFO-ORD flights

All United Airlines flights

Return (ORD-SFO) flights

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