Asiana Airlines flight OZ 6303: San Francisco - Chicago O'Hare

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 18:28 San Francisco (SFO) 3 00:45 Chicago O'Hare (ORD) 1
OZ 6303 Non-stop Boeing 737-900 (739) 4:17 Effective 2025-08-19 through 2025-09-24
Codeshare flight, operated by United Airlines.(UA 2117)
The flight arrives 1 day after departure.
Daily 18:28 San Francisco (SFO) 3 00:47 Chicago O'Hare (ORD) 1
OZ 6303 Non-stop Boeing 737-900 (739) 4:19 Effective 2025-09-25 through 2025-10-25
Codeshare flight, operated by United Airlines.(UA 2117)
The flight arrives 1 day after departure.
Daily 18:40 San Francisco (SFO) 3 00:59 Chicago O'Hare (ORD) 1
OZ 6303 Non-stop Boeing 737-900 (739) 4:19 Effective 2025-05-22 through 2025-06-25
Codeshare flight, operated by United Airlines.(UA 2117)
The flight arrives 1 day after departure.
Daily 18:40 San Francisco (SFO) 3 00:59 Chicago O'Hare (ORD) 1
OZ 6303 Non-stop Boeing 737-900 (739) 4:19 Effective from 2026-02-12
Codeshare flight, operated by United Airlines.(UA 2117)
The flight arrives 1 day after departure.
Mon-Thu,Sun 18:43 San Francisco (SFO) 3 00:59 Chicago O'Hare (ORD) 1
OZ 6303 Non-stop Boeing 737-900 (739) 4:16 Effective 2025-06-26 through 2025-08-18
Codeshare flight, operated by United Airlines.(UA 2117)
The flight arrives 1 day after departure.
Daily 18:52 San Francisco (SFO) 3 01:11 Chicago O'Hare (ORD) 1
OZ 6303 Non-stop Boeing 737-900 (739) 4:19 Effective 2025-10-26 through 2025-12-01
Codeshare flight, operated by United Airlines.(UA 2117)
The flight arrives 1 day after departure.
Daily 18:52 San Francisco (SFO) 3 01:11 Chicago O'Hare (ORD) 1
OZ 6303 Non-stop Boeing 737-900 (739) 4:19 Effective 2025-12-18 through 2026-01-05
Codeshare flight, operated by United Airlines.(UA 2117)
The flight arrives 1 day after departure.
Mon,Wed-Fri,Sun 18:55 San Francisco (SFO) 3 01:16 Chicago O'Hare (ORD) 1
OZ 6303 Non-stop Boeing 737-900 (739) 4:21 Valid until 2025-05-21
Codeshare flight, operated by United Airlines.(UA 2117)
The flight arrives 1 day after departure.
Fri,Sat 22:55 San Francisco (SFO) 3 05:18 Chicago O'Hare (ORD) 1
OZ 6303 Non-stop Boeing 737-900 (739) 4:23 Effective 2025-06-27 through 2025-06-28
Codeshare flight, operated by United Airlines.(UA 2097)
The flight arrives 1 day after departure.
Fri,Sat 22:55 San Francisco (SFO) 3 05:18 Chicago O'Hare (ORD) 1
OZ 6303 Non-stop Boeing 737-900 (739) 4:23 Effective 2025-07-05 through 2025-07-11
Codeshare flight, operated by United Airlines.(UA 2097)
The flight arrives 1 day after departure.
Fri 22:55 San Francisco (SFO) 3 05:18 Chicago O'Hare (ORD) 1
OZ 6303 Non-stop Boeing 737-900 (739) 4:23 Operates only on 2025-07-18
Codeshare flight, operated by United Airlines.(UA 2097)
The flight arrives 1 day after departure.
Fri,Sat 22:55 San Francisco (SFO) 3 05:18 Chicago O'Hare (ORD) 1
OZ 6303 Non-stop Boeing 737-900 (739) 4:23 Effective 2025-08-01 through 2025-08-02
Codeshare flight, operated by United Airlines.(UA 2097)
The flight arrives 1 day after departure.
Fri,Sat 22:55 San Francisco (SFO) 3 05:18 Chicago O'Hare (ORD) 1
OZ 6303 Non-stop Boeing 737-900 (739) 4:23 Effective 2025-08-09 through 2025-08-15
Codeshare flight, operated by United Airlines.(UA 2097)
The flight arrives 1 day after departure.
Tue 22:59 San Francisco (SFO) 3 05:32 Chicago O'Hare (ORD) 1
OZ 6303 Non-stop Boeing 737-900 (739) 4:33 Operates only on 2025-05-06
Codeshare flight, operated by United Airlines.(UA 2241)
The flight arrives 1 day after departure.
Daily 23:00 San Francisco (SFO) 3 05:10 Chicago O'Hare (ORD) 1
OZ 6303 Non-stop Airbus A321neo (32Q) 4:10 Effective 2025-12-02 through 2025-12-17
Codeshare flight, operated by United Airlines.(UA 2097)
The flight arrives 1 day after departure.
Daily 23:00 San Francisco (SFO) 3 05:10 Chicago O'Hare (ORD) 1
OZ 6303 Non-stop Airbus A321neo (32Q) 4:10 Effective 2026-01-06 through 2026-02-11
Codeshare flight, operated by United Airlines.(UA 2097)
The flight arrives 1 day after departure.
Sat 23:20 San Francisco (SFO) 3 05:45 Chicago O'Hare (ORD) 1
OZ 6303 Non-stop Boeing 737-900 (739) 4:25 Effective 2025-05-03 through 2025-05-10
Codeshare flight, operated by United Airlines.(UA 2241)
The flight arrives 1 day after departure.
Tue,Sat 23:20 San Francisco (SFO) 3 05:45 Chicago O'Hare (ORD) 1
OZ 6303 Non-stop Boeing 737-900 (739) 4:25 Effective 2025-05-13 through 2025-05-20
Codeshare flight, operated by United Airlines.(UA 2241)
The flight arrives 1 day after departure.
Sat 23:25 San Francisco (SFO) 3 05:39 Chicago O'Hare (ORD) 1
OZ 6303 Non-stop Boeing 737-900 (739) 4:14 Effective 2025-07-12 through 2025-07-19
Codeshare flight, operated by United Airlines.(UA 567)
The flight arrives 1 day after departure.
Fri,Sat 23:25 San Francisco (SFO) 3 05:39 Chicago O'Hare (ORD) 1
OZ 6303 Non-stop Boeing 737-900 (739) 4:14 Effective 2025-07-25 through 2025-07-26
Codeshare flight, operated by United Airlines.(UA 567)
The flight arrives 1 day after departure.
Fri 23:25 San Francisco (SFO) 3 05:39 Chicago O'Hare (ORD) 1
OZ 6303 Non-stop Boeing 737-900 (739) 4:14 Operates only on 2025-08-08
Codeshare flight, operated by United Airlines.(UA 494)
The flight arrives 1 day after departure.
Sat 23:25 San Francisco (SFO) 3 05:39 Chicago O'Hare (ORD) 1
OZ 6303 Non-stop Boeing 737-900 (739) 4:14 Operates only on 2025-08-16
Codeshare flight, operated by United Airlines.(UA 494)
The flight arrives 1 day after departure.
Fri 23:55 San Francisco (SFO) 3 06:15 Chicago O'Hare (ORD) 1
OZ 6303 Non-stop Boeing 737-900 (739) 4:20 Operates only on 2025-07-04
Codeshare flight, operated by United Airlines.(UA 2046)
The flight arrives 1 day after departure.
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Asiana Airlines flight OZ 6303:
San Francisco - Chicago O'Hare
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Asiana Airlines OZ6303
18:28
San Francisco (SFO) 3

00:45(+1)
Chicago O'Hare (ORD) 1
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2117)
Duration: 4:17, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Asiana Airlines OZ6303
18:28
San Francisco (SFO) 3

00:47(+1)
Chicago O'Hare (ORD) 1
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2117)
Duration: 4:19, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Asiana Airlines OZ6303
18:40
San Francisco (SFO) 3

00:59(+1)
Chicago O'Hare (ORD) 1
Effective 2025-05-22 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2117)
Duration: 4:19, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Asiana Airlines OZ6303
18:40
San Francisco (SFO) 3

00:59(+1)
Chicago O'Hare (ORD) 1
Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2117)
Duration: 4:19, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Asiana Airlines OZ6303
18:43
San Francisco (SFO) 3

00:59(+1)
Chicago O'Hare (ORD) 1
Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2117)
Duration: 4:16, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Asiana Airlines OZ6303
18:52
San Francisco (SFO) 3

01:11(+1)
Chicago O'Hare (ORD) 1
Effective 2025-10-26 through 2025-12-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2117)
Duration: 4:19, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Asiana Airlines OZ6303
18:52
San Francisco (SFO) 3

01:11(+1)
Chicago O'Hare (ORD) 1
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2117)
Duration: 4:19, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Asiana Airlines OZ6303
18:55
San Francisco (SFO) 3

01:16(+1)
Chicago O'Hare (ORD) 1
Valid until 2025-05-21
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 2117)
Duration: 4:21, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Asiana Airlines OZ6303
22:55
San Francisco (SFO) 3

05:18(+1)
Chicago O'Hare (ORD) 1
Effective 2025-06-27 through 2025-06-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2097)
Duration: 4:23, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Asiana Airlines OZ6303
22:55
San Francisco (SFO) 3

05:18(+1)
Chicago O'Hare (ORD) 1
Effective 2025-07-05 through 2025-07-11
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2097)
Duration: 4:23, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Asiana Airlines OZ6303
22:55
San Francisco (SFO) 3

05:18(+1)
Chicago O'Hare (ORD) 1
Operates only on 2025-07-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2097)
Duration: 4:23, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Asiana Airlines OZ6303
22:55
San Francisco (SFO) 3

05:18(+1)
Chicago O'Hare (ORD) 1
Effective 2025-08-01 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2097)
Duration: 4:23, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Asiana Airlines OZ6303
22:55
San Francisco (SFO) 3

05:18(+1)
Chicago O'Hare (ORD) 1
Effective 2025-08-09 through 2025-08-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2097)
Duration: 4:23, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Asiana Airlines OZ6303
22:59
San Francisco (SFO) 3

05:32(+1)
Chicago O'Hare (ORD) 1
Operates only on 2025-05-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2241)
Duration: 4:33, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Asiana Airlines OZ6303
23:00
San Francisco (SFO) 3

05:10(+1)
Chicago O'Hare (ORD) 1
Effective 2025-12-02 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2097)
Duration: 4:10, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Asiana Airlines OZ6303
23:00
San Francisco (SFO) 3

05:10(+1)
Chicago O'Hare (ORD) 1
Effective 2026-01-06 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2097)
Duration: 4:10, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Asiana Airlines OZ6303
23:20
San Francisco (SFO) 3

05:45(+1)
Chicago O'Hare (ORD) 1
Effective 2025-05-03 through 2025-05-10
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2241)
Duration: 4:25, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Asiana Airlines OZ6303
23:20
San Francisco (SFO) 3

05:45(+1)
Chicago O'Hare (ORD) 1
Effective 2025-05-13 through 2025-05-20
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2241)
Duration: 4:25, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Asiana Airlines OZ6303
23:25
San Francisco (SFO) 3

05:39(+1)
Chicago O'Hare (ORD) 1
Effective 2025-07-12 through 2025-07-19
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 567)
Duration: 4:14, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Asiana Airlines OZ6303
23:25
San Francisco (SFO) 3

05:39(+1)
Chicago O'Hare (ORD) 1
Effective 2025-07-25 through 2025-07-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 567)
Duration: 4:14, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Asiana Airlines OZ6303
23:25
San Francisco (SFO) 3

05:39(+1)
Chicago O'Hare (ORD) 1
Operates only on 2025-08-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 494)
Duration: 4:14, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Asiana Airlines OZ6303
23:25
San Francisco (SFO) 3

05:39(+1)
Chicago O'Hare (ORD) 1
Operates only on 2025-08-16
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 494)
Duration: 4:14, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Asiana Airlines OZ6303
23:55
San Francisco (SFO) 3

06:15(+1)
Chicago O'Hare (ORD) 1
Operates only on 2025-07-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2046)
Duration: 4:20, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
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  • OZ 6303 is a domestic flight 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 4:10 and 4:33.
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