China Southern
flight
CZ 1646:
Charlotte - San Francisco
Charlotte - San Francisco
FLIGHT SCHEDULE
Direct Codeshare Flights:
China Southern CZ1646
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 2569)
Duration: 5:42, non-stop Airbus A321 (321)
Direct Codeshare Flights:
China Southern CZ1646
Effective 2026-02-12 through 2026-03-05
Mon
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 2569)
Duration: 5:58, non-stop Airbus A321 (321)
Direct Codeshare Flights:
China Southern CZ1646
Effective 2026-02-14 through 2026-03-07
Mon
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Tue
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Wed
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Thu
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Fri
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Sat
Sun
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Codeshare flight, operated by American Airlines.
(AA 2569)
Duration: 5:58, non-stop Airbus A321 (321)
Direct Codeshare Flights:
China Southern CZ1646
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 2556)
Duration: 5:25, non-stop Airbus A321 (321)
Direct Codeshare Flights:
China Southern CZ1646
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 2567)
Duration: 5:29, non-stop Airbus A321 (321)
Direct Codeshare Flights:
China Southern CZ1646
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 2411)
Duration: 5:19, non-stop Airbus A321 (321)
- CZ 1646 is a domestic flight departing from the Charlotte airport (CLT) and arriving at San Francisco airport (SFO).
- The flight distance is 2290 miles, or 3685 km.
- The timezone of the departure airport is UTC-5 , 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 5:19 and 5:58.