CX621 Hong KongHKG · 15:30 PenangPEN
CX621 by Cathay Pacific flies from Hong Kong (HKG) to Penang (PEN) for the Fri, Sep 18 departure.
departs HKG · on schedule
board checked 42m ago · checking again in 45s
Where the minutes go
last 6 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 · 6 operations tracked
The route today
live boardsWhen it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Hong Kong to Penang flights today
same route · Cathay PacificIf CX621 is cancelled, this is the other Cathay Pacific nonstop flight from Hong Kong to Penang 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 CX621 actually runs
Pro Flight Search has tracked every published board update for CX621 across the HKG and PEN boards: schedule changes, gate pushes and actual clocks. Usually departs on time. Based on 6 confirmed departures · 6/6 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how CX621 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as HKG and PEN published them.
Planning around CX621? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — CX621 Hong Kong to Penang on-time performance, measured from the HKG and PEN airport boards.
https://proflightsearch.com/flight/CX621
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