CX391 BeijingPEK · 13:40 Hong KongHKG · 17:25
CX391 by Cathay Pacific flies from Beijing (PEK) to Hong Kong (HKG) for the Wed, Sep 23 departure.
departs PEK · on schedule
board checked 16m ago · checking again in 45s
⚖ CX391 typically leaves +22 and lands −10. The air wins minutes back.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 −10 min · 1 cancelled · 12 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at PEK and HKG 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 Hong Kong flights today
same route · Cathay PacificIf CX391 is cancelled, these are the other Cathay Pacific nonstop flights from Beijing to Hong Kong on the same day, with scheduled departure times in PEK local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How CX391 actually runs
Pro Flight Search has tracked every published board update for CX391 across the PEK and HKG boards: schedule changes, gate pushes and actual clocks. Usually lands ~10 min early. Based on 11 confirmed landings · 11/11 within 15 min of schedule. Pushes back late but makes up time in the air.
The verdict above is that record speaking, so it reflects how CX391 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-KQJ.
Board clocks recorded as PEK and HKG published them.
Planning around CX391? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — CX391 Beijing to Hong Kong on-time performance, measured from the PEK and HKG airport boards.
https://proflightsearch.com/flight/CX391
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