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

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 16:55 San Francisco (SFO) 3 23:29 Chicago O'Hare (ORD) 1
OZ 6303 Non-stop Airbus A321neo (32Q) 4:34 Effective 2026-04-21 through 2026-05-20
Codeshare flight, operated by United Airlines.(UA 1482)
Daily 16:55 San Francisco (SFO) 3 23:29 Chicago O'Hare (ORD) 1
OZ 6303 Non-stop Airbus A321neo (32Q) 4:34 Effective from 2026-10-25
Codeshare flight, operated by United Airlines.(UA 1482)
Daily 16:57 San Francisco (SFO) 3 23:34 Chicago O'Hare (ORD) 1
OZ 6303 Non-stop Airbus A321neo (32Q) 4:37 Effective 2026-05-21 through 2026-10-24
Codeshare flight, operated by United Airlines.(UA 1482)
Wed 17:15 San Francisco (SFO) 3 23:38 Chicago O'Hare (ORD) 1
OZ 6303 Non-stop Boeing 737-900 (739) 4:23 Effective 2026-03-11 through 2026-03-25
Codeshare flight, operated by United Airlines.(UA 1482)
Daily 18:30 San Francisco (SFO) 3 01:00 Chicago O'Hare (ORD) 1
OZ 6303 Non-stop Boeing 737-900 (739) 4:30 Effective 2026-03-29 through 2026-04-19
Codeshare flight, operated by United Airlines.(UA 1931)
The flight arrives 1 day after departure.
Mon,Thu-Sun 18:44 San Francisco (SFO) 3 00:59 Chicago O'Hare (ORD) 1
OZ 6303 Non-stop Boeing 737-900 (739) 4:15 Effective 2026-03-05 through 2026-03-28
Codeshare flight, operated by United Airlines.(UA 2262)
The flight arrives 1 day after departure.
Mon,Thu-Sun 18:50 San Francisco (SFO) 3 01:09 Chicago O'Hare (ORD) 1
OZ 6303 Non-stop Boeing 737-900 (739) 4:19 Valid until 2026-01-05
Codeshare flight, operated by United Airlines.(UA 2267)
The flight arrives 1 day after departure.
Tue 22:35 San Francisco (SFO) 3 04:54 Chicago O'Hare (ORD) 1
OZ 6303 Non-stop Airbus A321neo (32Q) 4:19 Operates only on 2026-02-03
Codeshare flight, operated by United Airlines.(UA 1288)
The flight arrives 1 day after departure.
Daily 22:50 San Francisco (SFO) 3 05:12 Chicago O'Hare (ORD) 1
OZ 6303 Non-stop Boeing 737-900 (739) 4:22 Effective 2026-02-12 through 2026-03-04
Codeshare flight, operated by United Airlines.(UA 2278)
The flight arrives 1 day after departure.
Daily 23:15 San Francisco (SFO) 3 05:44 Chicago O'Hare (ORD) 1
OZ 6303 Non-stop Airbus A321neo (32Q) 4:29 Effective 2026-01-06 through 2026-01-23
Codeshare flight, operated by United Airlines.(UA 1184)
The flight arrives 1 day after departure.
Mon-Fri,Sun 23:15 San Francisco (SFO) 3 05:44 Chicago O'Hare (ORD) 1
OZ 6303 Non-stop Airbus A321neo (32Q) 4:29 Effective 2026-01-25 through 2026-02-02
Codeshare flight, operated by United Airlines.(UA 1184)
The flight arrives 1 day after departure.
Daily 23:15 San Francisco (SFO) 3 05:44 Chicago O'Hare (ORD) 1
OZ 6303 Non-stop Airbus A321neo (32Q) 4:29 Effective 2026-02-04 through 2026-02-11
Codeshare flight, operated by United Airlines.(UA 1184)
The flight arrives 1 day after departure.
Sat 23:56 San Francisco (SFO) 3 06:25 Chicago O'Hare (ORD) 1
OZ 6303 Non-stop Airbus A321neo (32Q) 4:29 Effective 2026-01-24 through 2026-01-31
Codeshare flight, operated by United Airlines.(UA 1288)
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
16:55
San Francisco (SFO) 3

23:29
Chicago O'Hare (ORD) 1
Effective 2026-04-21 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1482)
Duration: 4:34, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Asiana Airlines OZ6303
16:55
San Francisco (SFO) 3

23:29
Chicago O'Hare (ORD) 1
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1482)
Duration: 4:34, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Asiana Airlines OZ6303
16:57
San Francisco (SFO) 3

23:34
Chicago O'Hare (ORD) 1
Effective 2026-05-21 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1482)
Duration: 4:37, non-stop
Airbus A321neo (32Q)
Direct Codeshare Flights:
Asiana Airlines OZ6303
17:15
San Francisco (SFO) 3

23:38
Chicago O'Hare (ORD) 1
Effective 2026-03-11 through 2026-03-25
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1482)
Duration: 4:23, non-stop
Boeing 737-900 (739)
Direct Codeshare Flights:
Asiana Airlines OZ6303
18:30
San Francisco (SFO) 3

01:00(+1)
Chicago O'Hare (ORD) 1
Effective 2026-03-29 through 2026-04-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1931)
Duration: 4:30, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Asiana Airlines OZ6303
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
Codeshare flight, operated by United Airlines. (UA 2262)
Duration: 4:15, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Asiana Airlines OZ6303
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
Codeshare flight, operated by United Airlines. (UA 2267)
Duration: 4:19, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Asiana Airlines OZ6303
22:35
San Francisco (SFO) 3

04:54(+1)
Chicago O'Hare (ORD) 1
Operates only on 2026-02-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1288)
Duration: 4:19, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Asiana Airlines OZ6303
22:50
San Francisco (SFO) 3

05:12(+1)
Chicago O'Hare (ORD) 1
Effective 2026-02-12 through 2026-03-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2278)
Duration: 4:22, non-stop
Boeing 737-900 (739)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Asiana Airlines OZ6303
23:15
San Francisco (SFO) 3

05:44(+1)
Chicago O'Hare (ORD) 1
Effective 2026-01-06 through 2026-01-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1184)
Duration: 4:29, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Asiana Airlines OZ6303
23:15
San Francisco (SFO) 3

05:44(+1)
Chicago O'Hare (ORD) 1
Effective 2026-01-25 through 2026-02-02
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines. (UA 1184)
Duration: 4:29, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Asiana Airlines OZ6303
23:15
San Francisco (SFO) 3

05:44(+1)
Chicago O'Hare (ORD) 1
Effective 2026-02-04 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1184)
Duration: 4:29, non-stop
Airbus A321neo (32Q)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Asiana Airlines OZ6303
23:56
San Francisco (SFO) 3

06:25(+1)
Chicago O'Hare (ORD) 1
Effective 2026-01-24 through 2026-01-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 1288)
Duration: 4:29, non-stop
Airbus A321neo (32Q)
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 4:15 and 4:37.
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