China Southern flight CZ 3631: Multiple routes

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Wed 07:30 Wuhan (WUH) 3 11:00 Harbin (HRB)
CZ 3631 Non-stop Boeing 737-800 (738) 3:30 Effective 2026-04-01 through 2026-10-21
Mon,Fri,Sun 07:35 Wuhan (WUH) 3 11:00 Harbin (HRB)
CZ 3631 Non-stop Boeing 737-800 (738) 3:25 Effective 2026-03-30 through 2026-10-25
Tue,Thu,Sat 07:45 Wuhan (WUH) 3 11:00 Harbin (HRB)
CZ 3631 Non-stop Boeing 737-800 (738) 3:15 Effective 2026-03-31 through 2026-10-24
Tue,Thu,Sat 09:00 Shenzhen (SZX) 11:30 Heze (HZA)
CZ 3631 Non-stop Airbus A320neo (32N) 2:30 Valid until 2026-02-14
Tue 09:00 Shenzhen (SZX) 11:30 Heze (HZA)
CZ 3631 Non-stop Airbus A320 (320) 2:30 Operates only on 2026-02-17
Tue,Thu,Sat 09:00 Shenzhen (SZX) 11:30 Heze (HZA)
CZ 3631 Non-stop Airbus A320neo (32N) 2:30 Effective 2026-02-19 through 2026-03-28
Tue,Thu,Sat 09:00 Shenzhen (SZX) 11:30 Heze (HZA)
CZ 3631 Non-stop Airbus A320neo (32N) 2:30 Effective from 2026-10-27
This flight number is listed as serving the following routes:


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China Southern flight CZ 3631: Multiple routes
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
China Southern CZ3631
07:30
Wuhan (WUH) 3

11:00
Harbin (HRB)
Effective 2026-04-01 through 2026-10-21
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:30, non-stop
Boeing 737-800 (738)
Direct Flights:
China Southern CZ3631
07:35
Wuhan (WUH) 3

11:00
Harbin (HRB)
Effective 2026-03-30 through 2026-10-25
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 3:25, non-stop
Boeing 737-800 (738)
Direct Flights:
China Southern CZ3631
07:45
Wuhan (WUH) 3

11:00
Harbin (HRB)
Effective 2026-03-31 through 2026-10-24
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Duration: 3:15, non-stop
Boeing 737-800 (738)
Direct Flights:
China Southern CZ3631
09:00
Shenzhen (SZX)

11:30
Heze (HZA)
Valid until 2026-02-14
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Duration: 2:30, non-stop
Airbus A320neo (32N)
Direct Flights:
China Southern CZ3631
09:00
Shenzhen (SZX)

11:30
Heze (HZA)
Operates only on 2026-02-17
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 2:30, non-stop
Airbus A320 (320)
Direct Flights:
China Southern CZ3631
09:00
Shenzhen (SZX)

11:30
Heze (HZA)
Effective 2026-02-19 through 2026-03-28
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Duration: 2:30, non-stop
Airbus A320neo (32N)
Direct Flights:
China Southern CZ3631
09:00
Shenzhen (SZX)

11:30
Heze (HZA)
Effective from 2026-10-27
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Duration: 2:30, non-stop
Airbus A320neo (32N)
This flight number is listed as serving the following routes:
  • Shenzhen (SZX) - Heze (HZA)
  • Wuhan (WUH) - Harbin (HRB)
All China Southern flights
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