China Southern flight CZ 6437: Multiple routes

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FLIGHT SCHEDULE
Direct Flights:
Daily 16:45 Sanya (SYX) 19:35 Hangzhou (HGH) 4
CZ 6437 Non-stop Airbus A321 (321) 2:50 Valid until 2026-03-28
Daily 16:45 Sanya (SYX) 19:35 Hangzhou (HGH) 4
CZ 6437 Non-stop Airbus A321 (321) 2:50 Effective from 2026-10-25
Daily 20:00 Harbin (HRB) 23:10 Shanghai Pudong (PVG) 2
CZ 6437 Non-stop Airbus A321 (321) 3:10 Effective 2026-03-29 through 2026-10-24
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This flight number is listed as serving the following routes:


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China Southern flight CZ 6437: Multiple routes
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Select flight date:
FLIGHT SCHEDULE
Direct Flights:
China Southern CZ6437
16:45
Sanya (SYX)

19:35
Hangzhou (HGH) 4
Valid until 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:50, non-stop
Airbus A321 (321)
Direct Flights:
China Southern CZ6437
16:45
Sanya (SYX)

19:35
Hangzhou (HGH) 4
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:50, non-stop
Airbus A321 (321)
Direct Flights:
China Southern CZ6437
20:00
Harbin (HRB)

23:10
Shanghai Pudong (PVG) 2
Effective 2026-03-29 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:10, non-stop
Airbus A321 (321)
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This flight number is listed as serving the following routes:
  • Harbin (HRB) - Shanghai Pudong (PVG)
  • Sanya (SYX) - Hangzhou (HGH)
All China Southern flights
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