KN5857 BeijingPKX · 07:15 ShenzhenSZX · 10:35
KN5857 by China United Airlines flies from Beijing (PKX) to Shenzhen (SZX).
scheduled from PKX
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 −11 min · 0 cancelled · 8 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at PKX and SZX 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. This route's tracked sample is still thin — treat these as an early read, not a precise forecast.
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 Beijing to Shenzhen flights today
same route · China United AirlinesIf KN5857 is cancelled, this is the other China United Airlines nonstop flight from Beijing to Shenzhen on the same day, with scheduled departure times in PKX local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How KN5857 actually runs
Pro Flight Search has tracked every published board update for KN5857 across the PKX and SZX boards: schedule changes, gate pushes and actual clocks. Usually lands ~11 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 KN5857 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-6166, B-5549, B-5858, B-1265.
Board clocks recorded as PKX and SZX published them.
Planning around KN5857? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — KN5857 Beijing to Shenzhen on-time performance, measured from the PKX and SZX airport boards.
https://proflightsearch.com/flight/KN5857
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