China Southern flight CZ 1643: Los Angeles - Chicago O'Hare

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon,Wed,Fri-Sun 23:57 Los Angeles (LAX) 06:05 Chicago O'Hare (ORD) 3
CZ 1643 Non-stop Boeing 737-800 (738) 4:08 Valid until 2026-01-04
Codeshare flight, operated by American Airlines.(AA 753)
The flight arrives 1 day after departure.
Mon 23:57 Los Angeles (LAX) 06:11 Chicago O'Hare (ORD) 3
CZ 1643 Non-stop Boeing 737 MAX 8 (7M8) 4:14 Operates only on 2026-01-05
Codeshare flight, operated by American Airlines.(AA 753)
The flight arrives 1 day after departure.
Mon,Wed,Fri-Sun 23:59 Los Angeles (LAX) 06:01 Chicago O'Hare (ORD) 3
CZ 1643 Non-stop Boeing 737-800 (738) 4:02 Effective 2026-01-07 through 2026-02-11
Codeshare flight, operated by American Airlines.(AA 2436)
The flight arrives 1 day after departure.
Mon,Wed,Fri-Sun 23:59 Los Angeles (LAX) 06:01 Chicago O'Hare (ORD) 3
CZ 1643 Non-stop Airbus A321 (321) 4:02 Effective from 2026-10-05
Codeshare flight, operated by American Airlines.(AA 3161)
The flight arrives 1 day after departure.


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China Southern flight CZ 1643:
Los Angeles - Chicago O'Hare
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
China Southern CZ1643
23:57
Los Angeles (LAX)

06:05(+1)
Chicago O'Hare (ORD) 3
Valid until 2026-01-04
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 753)
Duration: 4:08, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
China Southern CZ1643
23:57
Los Angeles (LAX)

06:11(+1)
Chicago O'Hare (ORD) 3
Operates only on 2026-01-05
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 753)
Duration: 4:14, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
China Southern CZ1643
23:59
Los Angeles (LAX)

06:01(+1)
Chicago O'Hare (ORD) 3
Effective 2026-01-07 through 2026-02-11
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2436)
Duration: 4:02, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
China Southern CZ1643
23:59
Los Angeles (LAX)

06:01(+1)
Chicago O'Hare (ORD) 3
Effective from 2026-10-05
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3161)
Duration: 4:02, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.
  • CZ 1643 is a domestic flight departing from the Los Angeles airport (LAX) and arriving at Chicago O'Hare airport (ORD).
  • The flight distance is 1740 miles, or 2800 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 4:02 and 4:14.
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