China Southern
flight
CZ 1636:
Chicago O'Hare - San Francisco
Chicago O'Hare - San Francisco
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FLIGHT SCHEDULE
Direct Codeshare Flights:
China Southern CZ1636
Effective 2026-01-06 through 2026-01-13
Mon
Tue
Wed
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Thu
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Fri
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Sat
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Sun
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Codeshare flight, operated by American Airlines.
(AA 1253)
Duration: 4:51, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
China Southern CZ1636
Effective 2026-01-15 through 2026-02-10
Mon
Tue
Wed
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Thu
Fri
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Sat
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Sun
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Codeshare flight, operated by American Airlines.
(AA 1253)
Duration: 4:51, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
China Southern CZ1636
Operates only on 2026-01-08
Mon
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Tue
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Wed
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Thu
Fri
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Sat
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Sun
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Codeshare flight, operated by American Airlines.
(AA 1253)
Duration: 4:51, non-stop Boeing 737-800 (738)
Direct Codeshare Flights:
China Southern CZ1636
Valid until 2026-01-05
Mon
Tue
Wed
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Thu
Fri
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Sat
Sun
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Codeshare flight, operated by American Airlines.
(AA 2113)
Duration: 4:48, non-stop Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
China Southern CZ1636
Effective 2026-05-21 through 2026-06-30
Mon
Tue
Wed
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Thu
Fri
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Sat
Sun
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Codeshare flight, operated by American Airlines.
(AA 2554)
Duration: 4:52, non-stop Airbus A321 (321)
Direct Codeshare Flights:
China Southern CZ1636
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
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Thu
Fri
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Sat
Sun
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Codeshare flight, operated by American Airlines.
(AA 2565)
Duration: 4:54, non-stop Airbus A321 (321)
Direct Codeshare Flights:
China Southern CZ1636
Effective from 2026-10-05
Mon
Tue
Wed
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Thu
Fri
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-
Sat
Sun
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Codeshare flight, operated by American Airlines.
(AA 2113)
Duration: 4:51, non-stop Airbus A321 (321)
Direct Codeshare Flights:
China Southern CZ1636
Effective 2026-08-06 through 2026-09-08
Mon
Tue
Wed
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-
Thu
Fri
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Sat
Sun
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Codeshare flight, operated by American Airlines.
(AA 2113)
Duration: 4:43, non-stop Airbus A321 (321)
Ad mobi box here (300x250px) 8888825773 M FlightWNum Bottom Box
Parallax here ORD-SFO
- CZ 1636 is a domestic flight departing from the Chicago O'Hare airport (ORD) and arriving at San Francisco airport (SFO).
- The flight distance is 1840 miles, or 2962 km.
- The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-8 . 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 4:43 and 4:54.