UO851HK Express · KIX → HKG
live · 20m ago
Route confirmed HK Express

UO851 OsakaKIX · 13:40 Hong KongHKG · 17:00

UO851 by HK Express flies from Osaka (KIX) to Hong Kong (HKG) for the Sun, Oct 18 departure.

Right nowScheduled · today
13:40

departs KIX · on schedule

⚖ UO851 typically leaves −3 and lands −9. The air wins minutes back.
Typical gate push−3 minmedian posted departure
Typical arrival−9 minmedian over 14 operations
Wins back in air~6 minmedian gate push vs arrival · how planes make up time → Cancellation0 in 14tracked operations · cancellation odds calculator →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-17
−2 gate · −7 arrival
10-16
−11 gate · −30 arrival
10-15
−12 gate · −9 arrival
10-14
−9 gate · −4 arrival
10-13
+30 gate · +25 arrival
10-12
−3 gate · −16 arrival
10-11
+5 gate · −12 arrival

The 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 operation

median arrival −9 min · 0 cancelled · 14 operations tracked

The route today

live boards
KIXOsakaOn-time likelyKIX delay board →
HKGHong KongOn-time likelyHKG delay board →
KIX→HKGevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
33%Chance of 15+ min delay
1.9%Chance of cancellation
+3 minAvg hub delay right now

Conditions at KIX 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 departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Osaka to Hong Kong flights today

same route · HK Express
UO687departs 14:25
UO899departs 17:00
UO689departs 20:40
UO863departs 21:30

If UO851 is cancelled, these are the other HK Express nonstop flights from Osaka to Hong Kong on the same day, with scheduled departure times in KIX local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How UO851 actually runs

Pro Flight Search has tracked every published board update for UO851 across the KIX and HKG boards: schedule changes, gate pushes and actual clocks. Usually lands ~9 min early. Based on 13 confirmed landings · 12/13 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how UO851 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
10-17KIX 12:45 12:43 (−2)HKG 15:55 15:48 (−7)
10-16KIX 13:40 13:29 (−11)HKG 17:05 16:35 (−30)
10-15KIX 12:45 12:33 (−12)HKG 15:55 15:46 (−9)
10-14KIX 12:45 12:36 (−9)HKG 15:55 15:51 (−4)
10-13KIX 13:40 14:10 (+30)HKG 16:50 17:15 (+25)
10-12KIX 13:40 13:37 (−3)HKG 16:50 16:34 (−16)
10-11KIX 13:40 13:45 (+5)HKG 17:00 16:48 (−12)
10-10KIX 12:45 12:39 (−6)HKG 15:55 15:28 (−27)
10-09KIX 13:40 13:49 (+9)HKG 17:05 16:46 (−19)
10-08KIX 12:45 (+0)HKG 15:55 15:51 (−4)
10-07KIX 12:45 12:41 (−4)HKG 15:55 15:54 (−1)
10-06KIX 13:40 13:37 (−3)HKG 16:50 16:42 (−8)
10-05KIX 13:40 13:31 (−9)HKG 16:50 16:38 (−12)
10-04KIX 13:40 13:39 (−1)HKG 17:00 16:36 (−24)

Board clocks recorded as KIX and HKG published them.

Planning around UO851? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — UO851 Osaka to Hong Kong on-time performance, measured from the KIX and HKG airport boards.

Canonical URL
https://proflightsearch.com/flight/UO851
How we measure this →