UO639 FukuokaFUK · 18:00 Hong KongHKG · 20:40
UO639 by HK Express flies from Fukuoka (FUK) to Hong Kong (HKG) for the Wed, Sep 23 departure.
departs FUK · on schedule
board checked 8m ago · checking again in 45s
⚖ UO639 typically leaves −11 and lands −18. 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 −18 min · 0 cancelled · 14 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at FUK 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.
Other Fukuoka to Hong Kong flights today
same route · HK ExpressIf UO639 is cancelled, these are the other HK Express nonstop flights from Fukuoka to Hong Kong on the same day, with scheduled departure times in FUK local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UO639 actually runs
Pro Flight Search has tracked every published board update for UO639 across the FUK and HKG boards: schedule changes, gate pushes and actual clocks. Usually lands ~18 min early. Based on 13 confirmed landings · 13/13 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how UO639 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 FUK and HKG published them.
Planning around UO639? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UO639 Fukuoka to Hong Kong on-time performance, measured from the FUK and HKG airport boards.
https://proflightsearch.com/flight/UO639
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