RF351 SapporoCTS · 11:55 CheongjuCJJ
RF351 by Aero K flies from Sapporo (CTS) to Cheongju (CJJ) for the Thu, Sep 17 departure.
en route from CTS to CJJ
board checked 4m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 11:43.
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 · 15 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 Sapporo to Cheongju flights today
same route · Aero KIf RF351 is cancelled, these are the other Aero K nonstop flights from Sapporo to Cheongju on the same day, with scheduled departure times in CTS local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How RF351 actually runs
Pro Flight Search has tracked every published board update for RF351 across the CTS and CJJ boards: schedule changes, gate pushes and actual clocks. Usually departs ~10 min early. Based on 14 confirmed departures · 14/14 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how RF351 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 CTS and CJJ published them.
Planning around RF351? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — RF351 Sapporo to Cheongju on-time performance, measured from the CTS and CJJ airport boards.
https://proflightsearch.com/flight/RF351
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