CA4172 BeijingPEK · 10:55 KunmingKMG · 15:00
CA4172 by Air China flies from Beijing (PEK) to Kunming (KMG) for the Sun, Nov 1 departure.
estimated arrival at KMG · local time · ~3h 28m from now
position updated 8m ago · checking again in 90s
Live position · flown path, last 23 min
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 · 10 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at PEK and KMG 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 on this route
ForecastBeijing to Kunming with Air China · Mon 2 Nov, local date
- Chance a departure is cancelled
- 0.5%1.0× usual
- Chance a departure leaves 60+ min late
- 4.0%0.7× usual
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · About 6 departures a day on this route with this airline. · 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 Beijing to Kunming flights today
same route · Air ChinaIf CA4172 is cancelled, these are the other Air China nonstop flights from Beijing to Kunming on the same day, with scheduled departure times in PEK 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 CA4172 actually runs
Pro Flight Search has tracked every published board update for CA4172 across the PEK and KMG boards: schedule changes, gate pushes and actual clocks. Usually departs ~13 min late. Based on 10 confirmed departures · 7/10 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how CA4172 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 PEK and KMG published them.
Planning around CA4172? 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: CA4172 Beijing to Kunming on-time performance, measured from the PEK and KMG airport boards.
https://proflightsearch.com/flight/CA4172
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