ZH309 ShenzhenSZX · 08:55 BangkokBKK · 11:10
ZH309 by Shenzhen Airlines flies from Shenzhen (SZX) to Bangkok (BKK).
scheduled from SZX
⚖ ZH309 typically leaves +27 and lands −32. The air wins minutes back.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 −32 min · 0 cancelled · 11 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at SZX and BKK are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Shenzhen to Bangkok flights today
same route · Shenzhen AirlinesIf ZH309 is cancelled, these are the other Shenzhen Airlines nonstop flights from Shenzhen to Bangkok on the same day, with scheduled departure times in SZX local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How ZH309 actually runs
Pro Flight Search has tracked every published board update for ZH309 across the SZX and BKK boards: schedule changes, gate pushes and actual clocks. Usually lands ~24 min early. Based on 11 confirmed landings · 10/11 within 15 min of schedule. Pushes back late but makes up time in the air.
The verdict above is that record speaking, so it reflects how ZH309 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-1841, B-32PC, B-32PD, B-8077.
Board clocks recorded as SZX and BKK published them.
Planning around ZH309? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — ZH309 Shenzhen to Bangkok on-time performance, measured from the SZX and BKK airport boards.
https://proflightsearch.com/flight/ZH309
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