UO540HK Express · HKG → HAN
live · 13m ago
Route confirmed HK Express

UO540 Hong KongHKG · 07:35 HanoiHAN · 08:50

UO540 by HK Express flies from Hong Kong (HKG) to Hanoi (HAN) for the Sat, Nov 14 departure.

Right nowAwaiting arrival in Hanoi · off blocks 07:28 · 7 min early
08:50

estimated arrival at HAN · local time · past this estimate · waiting on the board

En routeUO540 · position estimated
HKGHong KongHANHanoi
Estimated from the boardsarr 08:50

Board estimate · gate and arrival times. Off blocks 07:28 · typical taxi-out at HKG ≈ 10.8 min.

Typical gate push+0 minmedian posted departure
Cancellation0 in 11tracked operations · cancellation odds calculator →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
11-14
−7 gate
11-13
+8 gate
11-11
−4 gate
11-09
−9 gate
11-08
−1 gate
11-07
+0 gate
11-06
+14 gate

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

0 cancelled · 11 operations tracked

The route today

live boards
HKGHong KongOn-time likelyHKG delay board →
HANHanoiOn-time likelyHAN delay board →
HKG→HANevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
29%Chance of 15+ min delay
0.1%Chance of cancellation
+0 minTypical airport delay in this weather

Driven mainly by HKG (Hong Kong), currently flying MVFR (marginal visual). These figures come from both airports' records 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 →

Tomorrow at Hong Kong

Forecast

Sun 15 Nov, local date

High27°Clikely 26°C to 28°C
Low22°Clikely 21°C to 23°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at Hanoi

Forecast

Sun 15 Nov, local date

High28°Clikely 26°C to 29°C
Low19°Clikely 18°C to 21°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

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.

How UO540 actually runs

Pro Flight Search has tracked every published board update for UO540 across the HKG and HAN boards: schedule changes, gate pushes and actual clocks. Usually departs on time. Based on 11 confirmed departures · 11/11 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how UO540 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
11-14HKG 07:35 07:28 (−7)HAN 08:50
11-13HKG 07:35 07:43 (+8)HAN 08:50
11-11HKG 07:35 07:31 (−4)HAN 08:50
11-09HKG 07:35 07:26 (−9)HAN 08:50
11-08HKG 07:35 07:34 (−1)HAN 08:50
11-07HKG 07:35 (+0)HAN 08:50
11-06HKG 07:35 07:49 (+14)HAN 08:50
11-04HKG 07:35 07:33 (−2)HAN 08:50
11-02HKG 07:35 07:39 (+4)HAN 08:50
11-01HKG 07:35 07:36 (+1)HAN 08:50
10-31HKG 07:35 07:38 (+3)HAN 08:50

Aircraft

Recent tails: B-LCJ, B-LCH, B-LCL.

Board clocks recorded as HKG and HAN published them.

Planning around UO540? 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: UO540 Hong Kong to Hanoi on-time performance, measured from the HKG and HAN airport boards.

Canonical URL
https://proflightsearch.com/flight/UO540
How we measure this →