UO251 SanyaSYX Hong KongHKG · 12:45
UO251 by HKE flies from Sanya (SYX) to Hong Kong (HKG).
tracked route SYX → HKG
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 +12 min · 0 cancelled · 8 operations tracked
The route today
live boardsHow UO251 actually runs
Pro Flight Search has tracked every published board update for UO251 across the SYX and HKG boards: schedule changes, gate pushes and actual clocks. Usually lands ~12 min late. Based on 8 confirmed landings · 5/8 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how UO251 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 SYX and HKG published them.
Planning around UO251? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UO251 Sanya to Hong Kong on-time performance, measured from the SYX and HKG airport boards.
https://proflightsearch.com/flight/UO251
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