China Southern Airlines CZ3994 Cancelled CZX Changzhou → CAN Guangzhou 2h 25m 1,143km / 705mi 24. May 2025 DEPARTURE 07:25 CST 23:25 UTC ARRIVAL 09:50 CST 01:50 UTC TERMINAL: 2 AIRLINE China Southern Airlines CZ / CSN FREQUENCY daily DISTANCE 1,143km FLIGHTS/WEEK 35 PUNCTUALITY 51% CO2 EMISSIONS Economy 231kg Business 392kg