RS728 FukuokaFUK · 17:00 SeoulICN · 18:35
RS728 by Air Seoul flies from Fukuoka (FUK) to Seoul (ICN) for the Tue, Sep 8 departure.
departs FUK · on schedule
board checked 2m ago · checking again in 45s
⚖ RS728 typically leaves −4 and lands −21. The air wins minutes back.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 −21 min · 0 cancelled · 13 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at FUK and ICN are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days. This route's tracked sample is still thin — treat these as an early read, not a precise forecast.
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 Fukuoka to Seoul flights today
same route · Air SeoulIf RS728 is cancelled, this is the other Air Seoul nonstop flight from Fukuoka to Seoul on the same day, with scheduled departure times in FUK local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How RS728 actually runs
Pro Flight Search has tracked every published board update for RS728 across the FUK and ICN boards: schedule changes, gate pushes and actual clocks. Usually lands ~21 min early. Based on 13 confirmed landings · 11/13 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 RS728 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 FUK and ICN published them.
Planning around RS728? 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 — RS728 Fukuoka to Seoul on-time performance, measured from the FUK and ICN airport boards.
https://proflightsearch.com/flight/RS728
.