CX520 Hong KongHKG · 10:30 TokyoNRT · 15:30
CX520 by Cathay Pacific flies from Hong Kong (HKG) to Tokyo (NRT) for the Thu, Nov 12 departure.
departs HKG · on schedule
board checked 44m ago · checking again in 45s
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 +11 min · 0 cancelled · 13 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at HKG and NRT are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. 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
ForecastFri 13 Nov, local date
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 Tokyo
ForecastFri 13 Nov, local date
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 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 CX520 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 that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →
How CX520 actually runs
Pro Flight Search has tracked every published board update for CX520 across the HKG and NRT boards: schedule changes, gate pushes and actual clocks. Usually lands ~12 min late. Based on 12 confirmed landings · 8/12 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how CX520 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-HNE, B-HNM, B-HNU, B-HNV.
Board clocks recorded as HKG and NRT published them.
Planning around CX520? 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: CX520 Hong Kong to Tokyo on-time performance, measured from the HKG and NRT airport boards.
https://proflightsearch.com/flight/CX520
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