TW1234 SapporoCTS SeoulICN
TW1234 by T'way Airlines flies from Sapporo (CTS) to Seoul (ICN).
scheduled from CTS
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at CTS 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 Sapporo to Seoul flights today
same route · T'way AirlinesIf TW1234 is cancelled, this is the other T'way Airlines nonstop flight from Sapporo to Seoul 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 TW1234 actually runs
Pro Flight Search has tracked every published board update for TW1234 across the CTS and ICN boards: schedule changes, gate pushes and actual clocks. Combined risk score: 7.0/100. Based on airport operations, weather, and cached board history at CTS and ICN.
The verdict above is that record speaking, so it reflects how TW1234 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around TW1234? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — TW1234 Sapporo to Seoul on-time performance, measured from the CTS and ICN airport boards.
https://proflightsearch.com/flight/TW1234
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