CZ3991 GuangzhouCAN · 20:40 LinyiLYI
CZ3991 by China Southern Airlines flies from Guangzhou (CAN) to Linyi (LYI).
scheduled from CAN
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 operation0 cancelled · 12 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 CZ3991 actually runs
Pro Flight Search has tracked every published board update for CZ3991 across the CAN and LYI boards: schedule changes, gate pushes and actual clocks. Usually departs ~14 min late. Based on 11 confirmed departures · 7/11 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how CZ3991 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-6583, B-322F, B-1803.
Board clocks recorded as CAN and LYI published them.
Planning around CZ3991? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — CZ3991 Guangzhou to Linyi on-time performance, measured from the CAN and LYI airport boards.
https://proflightsearch.com/flight/CZ3991
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