UO660 Hong KongHKG Jeju CityCJU
UO660 by HK Express flies from Hong Kong (HKG) to Jeju City (CJU).
scheduled from HKG
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at HKG and CJU 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 Hong Kong to Jeju City flights today
same route · HK ExpressIf UO660 is cancelled, these are the other HK Express nonstop flights from Hong Kong to Jeju City on the same day, with scheduled departure times in HKG local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UO660 actually runs
Pro Flight Search has tracked every published board update for UO660 across the HKG and CJU boards: schedule changes, gate pushes and actual clocks. Combined risk score: 4.2/100. Based on airport operations, weather, and cached board history at HKG and CJU.
The verdict above is that record speaking, so it reflects how UO660 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around UO660? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UO660 Hong Kong to Jeju City on-time performance, measured from the HKG and CJU airport boards.
https://proflightsearch.com/flight/UO660
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