ZE621 SeoulICN · 07:40 SapporoCTS · 10:20
ZE621 by Eastar Jet flies from Seoul (ICN) to Sapporo (CTS) for the Tue, Oct 27 departure.
arrived at CTS · 20 min early
Where the minutes go
last 3 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWhen it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Seoul to Sapporo flights today
same route · Eastar JetIf ZE621 is cancelled, these are the other Eastar Jet nonstop flights from Seoul to Sapporo on the same day, with scheduled departure times in ICN local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How ZE621 actually runs
Pro Flight Search has tracked every published board update for ZE621 across the ICN and CTS boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 3 completed legs so far: left a little late (~9 min) but landed about 15 min early. Not enough to call it.
The verdict above is that record speaking, so it reflects how ZE621 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 ICN and CTS published them.
Planning around ZE621? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — ZE621 Seoul to Sapporo on-time performance, measured from the ICN and CTS airport boards.
https://proflightsearch.com/flight/ZE621
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