CA4171 KunmingKMG · 06:30 BeijingPEK · 09:55
CA4171 by Air China flies from Kunming (KMG) to Beijing (PEK).
scheduled from KMG
Where the minutes go
last 6 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 −22 min · 0 cancelled · 6 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at KMG and PEK 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 Kunming
ForecastWed 4 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 Beijing
ForecastWed 4 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 Kunming to Beijing flights today
same route · Air ChinaIf CA4171 is cancelled, these are the other Air China nonstop flights from Kunming to Beijing on the same day, with scheduled departure times in KMG 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 CA4171 actually runs
Pro Flight Search has tracked every published board update for CA4171 across the KMG and PEK boards: schedule changes, gate pushes and actual clocks. Usually lands ~22 min early. Based on 6 confirmed landings · 6/6 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how CA4171 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as KMG and PEK published them.
Planning around CA4171? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search: CA4171 Kunming to Beijing on-time performance, measured from the KMG and PEK airport boards.
https://proflightsearch.com/flight/CA4171
.