CX504 Hong KongHKG · 09:05 TokyoNRT · 14:30
CX504 by Cathay Pacific flies from Hong Kong (HKG) to Tokyo (NRT) for the Tue, Sep 8 departure.
estimated arrival at NRT · local time · ~2h 14m from now
board checked 20m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 09:18 · typical taxi-out at HKG ≈ 11.1 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 operationmedian arrival +0 min · 0 cancelled · 9 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 VFR (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 Hong Kong to Tokyo flights today
same route · Cathay PacificIf CX504 is cancelled, these are the other Cathay Pacific nonstop flights from Hong Kong to Tokyo 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 CX504 actually runs
Pro Flight Search has tracked every published board update for CX504 across the HKG and NRT boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 8 confirmed landings · 6/8 within 15 min of schedule. Pushes back late but makes up time in the air.
The verdict above is that record speaking, so it reflects how CX504 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-HNH, B-HNV, B-HNU, B-HNW.
Board clocks recorded as HKG and NRT published them.
Planning around CX504? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search — CX504 Hong Kong to Tokyo on-time performance, measured from the HKG and NRT airport boards.
https://proflightsearch.com/flight/CX504
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