China Southern
flight
CZ 1637:
Philadelphia - San Francisco
Philadelphia - San Francisco
Ad mobi flat here (320x100px) 6074960173 M FlightWNum Top Flat
FLIGHT SCHEDULE
Direct Codeshare Flights:
China Southern CZ1637
Effective 2025-08-07 through 2025-09-02
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 2045)
Duration: 6:00, non-stop Airbus A321neo (32Q)
China Southern CZ1637
Effective 2025-09-04 through 2025-10-04
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 2045)
Duration: 6:02, non-stop Airbus A321neo (32Q)
China Southern CZ1637
Effective 2025-10-06 through 2025-11-01
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 2045)
Duration: 6:07, non-stop Airbus A321neo (32Q)
China Southern CZ1637
Effective 2025-11-03 through 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 3079)
Duration: 6:16, non-stop Airbus A321neo (32Q)
China Southern CZ1637
Effective 2026-01-06 through 2026-02-10
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 3079)
Duration: 6:20, non-stop Airbus A321neo (32Q)
China Southern CZ1637
Effective from 2026-02-12
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 3079)
Duration: 6:32, non-stop Airbus A321neo (32Q)
China Southern CZ1637
Effective 2025-06-07 through 2025-07-03
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 2045)
Duration: 5:59, non-stop Airbus A321neo (32Q)
China Southern CZ1637
Effective 2025-07-05 through 2025-08-05
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 2045)
Duration: 5:57, non-stop Airbus A321neo (32Q)
China Southern CZ1637
Operates only on 2025-06-05
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 2045)
Duration: 5:58, non-stop Airbus A321neo (32Q)
China Southern CZ1637
Effective 2025-05-05 through 2025-06-03
Mon
Tue
Wed
-
-
Thu
Fri
-
-
Sat
Sun
-
-
Codeshare flight, operated by American Airlines.
(AA 2045)
Duration: 6:02, non-stop Airbus A321neo (32Q)
China Southern CZ1637
Valid until 2025-05-03
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 2045)
Duration: 6:15, non-stop Airbus A321neo (32Q)
Ad mobi box here (300x250px) 8888825773 M FlightWNum Bottom Box
Parallax here PHL-SFO
- CZ 1637 is a domestic flight departing from the Philadelphia airport (PHL) and arriving at San Francisco airport (SFO).
- The flight distance is 2513 miles, or 4045 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 5:57 and 6:32.