China Southern flight CZ 1634: San Francisco - Chicago O'Hare

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Tue,Wed,Fri,Sun 01:07 San Francisco (SFO) 1 07:25 Chicago O'Hare (ORD) 3
CZ 1634 Non-stop Boeing 737-800 (738) 4:18 Effective 2025-10-07 through 2025-10-31
Codeshare flight, operated by American Airlines.(AA 2761)
Mon,Tue,Thu,Sat 23:27 San Francisco (SFO) 1 05:46 Chicago O'Hare (ORD) 3
CZ 1634 Non-stop Boeing 737-800 (738) 4:19 Effective 2025-12-18 through 2026-01-05
Codeshare flight, operated by American Airlines.(AA 2761)
The flight arrives 1 day after departure.
Mon,Tue,Thu,Sat 23:35 San Francisco (SFO) 1 05:42 Chicago O'Hare (ORD) 3
CZ 1634 Non-stop Boeing 737-800 (738) 4:07 Effective from 2026-02-12
Codeshare flight, operated by American Airlines.(AA 2761)
The flight arrives 1 day after departure.
Mon,Tue,Thu,Sat 23:47 San Francisco (SFO) 1 06:05 Chicago O'Hare (ORD) 3
CZ 1634 Non-stop Airbus A321 (321) 4:18 Effective 2025-07-05 through 2025-10-04
Codeshare flight, operated by American Airlines.(AA 2113)
The flight arrives 1 day after departure.
Mon,Tue,Thu 23:49 San Francisco (SFO) 1 06:07 Chicago O'Hare (ORD) 3
CZ 1634 Non-stop Airbus A321 (321) 4:18 Effective 2025-05-05 through 2025-06-03
Codeshare flight, operated by American Airlines.(AA 2761)
The flight arrives 1 day after departure.
Sat 23:49 San Francisco (SFO) 1 06:13 Chicago O'Hare (ORD) 3
CZ 1634 Non-stop Boeing 737-800 (738) 4:24 Effective 2025-05-10 through 2025-05-31
Codeshare flight, operated by American Airlines.(AA 2761)
The flight arrives 1 day after departure.
Mon,Tue,Thu,Sat 23:50 San Francisco (SFO) 1 06:07 Chicago O'Hare (ORD) 3
CZ 1634 Non-stop Boeing 737-800 (738) 4:17 Effective 2025-11-03 through 2025-12-02
Codeshare flight, operated by American Airlines.(AA 2761)
The flight arrives 1 day after departure.
Mon,Tue,Thu,Sat 23:50 San Francisco (SFO) 1 06:04 Chicago O'Hare (ORD) 3
CZ 1634 Non-stop Boeing 737-800 (738) 4:14 Effective 2025-12-04 through 2025-12-16
Codeshare flight, operated by American Airlines.(AA 2761)
The flight arrives 1 day after departure.
Mon,Tue,Thu,Sat 23:55 San Francisco (SFO) 1 06:10 Chicago O'Hare (ORD) 3
CZ 1634 Non-stop Airbus A321 (321) 4:15 Effective 2025-06-05 through 2025-07-03
Codeshare flight, operated by American Airlines.(AA 2113)
The flight arrives 1 day after departure.
Mon,Tue,Thu,Sat 23:59 San Francisco (SFO) 1 06:17 Chicago O'Hare (ORD) 3
CZ 1634 Non-stop Boeing 737-800 (738) 4:18 Valid until 2025-05-03
Codeshare flight, operated by American Airlines.(AA 2113)
The flight arrives 1 day after departure.
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Parallax here SFO-ORD
China Southern flight CZ 1634:
San Francisco - Chicago O'Hare
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

China Southern CZ1634
Effective 2025-10-07 through 2025-10-31
Mon
-
Tue
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2761)
Duration: 4:18, non-stop
Boeing 737-800 (738)

China Southern CZ1634
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 2761)
Duration: 4:19, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.

China Southern CZ1634
Effective from 2026-02-12
Mon
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 2761)
Duration: 4:07, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.

China Southern CZ1634
Effective 2025-07-05 through 2025-10-04
Mon
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 2113)
Duration: 4:18, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.

China Southern CZ1634
Effective 2025-05-05 through 2025-06-03
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2761)
Duration: 4:18, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.

China Southern CZ1634
Effective 2025-05-10 through 2025-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 2761)
Duration: 4:24, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.

China Southern CZ1634
Effective 2025-11-03 through 2025-12-02
Mon
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 2761)
Duration: 4:17, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.

China Southern CZ1634
Effective 2025-12-04 through 2025-12-16
Mon
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 2761)
Duration: 4:14, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.

China Southern CZ1634
Effective 2025-06-05 through 2025-07-03
Mon
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 2113)
Duration: 4:15, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.

China Southern CZ1634
Valid until 2025-05-03
Mon
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 2113)
Duration: 4:18, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.
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  • CZ 1634 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 4:07 and 4:24.