CZ6621 ShenzhenSZX Xi'anXIY
CZ6621 by China Southern Airlines flies from Shenzhen (SZX) to Xi'an (XIY).
scheduled from SZX
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at SZX and XIY are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records under conditions like today's, over the last 90 days. This route has few tracked flights so far, so treat this as an early read.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
Tomorrow at Shenzhen
ForecastWed 11 Nov, local date
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
Tomorrow at Xi'an
ForecastWed 11 Nov, local date
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Shenzhen to Xi'an flights today
same route · China Southern AirlinesIf CZ6621 is cancelled, these are the other China Southern Airlines nonstop flights from Shenzhen to Xi'an on the same day, with scheduled departure times in SZX local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →
How CZ6621 actually runs
Pro Flight Search has tracked every published board update for CZ6621 across the SZX and XIY boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at SZX and XIY.
The verdict above is that record speaking, so it reflects how CZ6621 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around CZ6621? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search: CZ6621 Shenzhen to Xi'an on-time performance, measured from the SZX and XIY airport boards.
https://proflightsearch.com/flight/CZ6621