CA4120 BeijingPEK · 10:55 ChengduCTU
CA4120 by Air China flies from Beijing (PEK) to Chengdu (CTU) for the Fri, Oct 30 departure.
departs PEK · on schedule
board checked 28m ago · checking again in 45s
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 · 14 operations tracked
The route today
live boardsTomorrow on this route
ForecastBeijing to Chengdu with Air China · Sat 31 Oct, local date
- Chance a departure is cancelled
- 1.2%0.8× usual
- Chance a departure leaves 60+ min late
- 5.3%0.9× usual
Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 19 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 Chengdu flights today
same route · Air ChinaIf CA4120 is cancelled, these are the other Air China nonstop flights from Beijing to Chengdu 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 CA4120 actually runs
Pro Flight Search has tracked every published board update for CA4120 across the PEK and CTU boards: schedule changes, gate pushes and actual clocks. Usually departs ~18 min late. Based on 13 confirmed departures · 6/13 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how CA4120 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 CTU published them.
Planning around CA4120? 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: CA4120 Beijing to Chengdu on-time performance, measured from the PEK and CTU airport boards.
https://proflightsearch.com/flight/CA4120
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