CX451 TokyoNRT · 15:45 Hong KongHKG · 18:25
CX451 by Cathay Pacific flies from Tokyo (NRT) to Hong Kong (HKG) for the Thu, Sep 10 departure.
Same number through NRT → TPE → HKG
estimated arrival at HKG · local time · ~17 min from now
board checked 15m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 15:40 · typical taxi-out at NRT ≈ 8.2 min. No receiver coverage over open ocean.
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 operation0 cancelled · 7 operations tracked
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by HKG (Hong Kong), currently flying MVFR (marginal visual). 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 Tokyo to Hong Kong flights today
same route · Cathay PacificIf CX451 is cancelled, this is the other Cathay Pacific nonstop flight from Tokyo to Hong Kong on the same day, with scheduled departure times in NRT local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How CX451 actually runs
Pro Flight Search has tracked every published board update for CX451 across the NRT and HKG boards: schedule changes, gate pushes and actual clocks. Usually lands ~12 min late. Based on 6 confirmed landings · 4/6 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how CX451 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: B-HNU, B-HNE, B-HNH, B-HNV.
Board clocks recorded as NRT and HKG published them.
Planning around CX451? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — CX451 Tokyo to Hong Kong on-time performance, measured from the NRT and HKG airport boards.
https://proflightsearch.com/flight/CX451
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