CZ3977 SanyaSYX ShenzhenSZX · 08:20
CZ3977 by China Southern Airlines flies from Sanya (SYX) to Shenzhen (SZX).
scheduled from SYX
Where the minutes go
last 7 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The last 30 days
arrival outcome per operationmedian arrival −10 min · 0 cancelled · 8 operations tracked
The route today
live boardsWhen it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
How CZ3977 actually runs
Pro Flight Search has tracked every published board update for CZ3977 across the SYX and SZX boards: schedule changes, gate pushes and actual clocks. Usually lands ~10 min early. Based on 8 confirmed landings · 8/8 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how CZ3977 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: B-32K1, B-8357, B-32M8, B-32JZ.
Board clocks recorded as SYX and SZX published them.
Planning around CZ3977? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — CZ3977 Sanya to Shenzhen on-time performance, measured from the SYX and SZX airport boards.
https://proflightsearch.com/flight/CZ3977
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