CX853 SeattleSEA · 12:25 Hong KongHKG · 16:45
CX853 by Cathay Pacific flies from Seattle (SEA) to Hong Kong (HKG) for the Mon, Sep 14 departure.
departs SEA · 65 min late
board checked 38m ago · checking again in 45s
Where the minutes go
last 4 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at SEA 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.
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.
How CX853 actually runs
Pro Flight Search has tracked every published board update for CX853 across the SEA and HKG boards: schedule changes, gate pushes and actual clocks. Usually lands ~27 min late. Based on 4 confirmed landings · 2/4 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how CX853 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 SEA and HKG published them.
Planning around CX853? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — CX853 Seattle to Hong Kong on-time performance, measured from the SEA and HKG airport boards.
https://proflightsearch.com/flight/CX853
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