Asiana AirlinesOZ17% on time
Flights OZ321 21:10 Mo We Th Fr Su
live
Direct flights from Seoul (ICN) to Changsha (CSX): 12 nonstop departures observed each week across 3 airlines. 21% of the last 14 operated flights arrived within 15 minutes of schedule. The median arrival is 19 minutes late. No cancellations were recorded across the 14 tracked flights. The nonstop covers 1,606 km, an estimated 2 hours 34 minutes in the air. Measured by Pro Flight Search from live flight boards at Seoul and Changsha. Updated 13 September 2026 at 14:24 UTC.
ICN
Seoul
busy · +22
CSX
Changsha
tracking
1,606 km · ~2h 34m est.
Runs rough · 3 airlines · 12x weekly · nonstop
21% on time
of the last 14 operated ICN → CSX flights arrived within 15 minutes
Median arrival delay is +19 min. 0 of 14 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival+19 minacross the last 14 operated legs
Flight time~2h 34mestimated from route distance
Weekly departures12x3 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 14
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Asiana AirlinesChina Southern AirlinesKOREAN AIRLINES
Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.
Who flies it
observed on the boards · 7 daysHistory
operated legs · board outcomesActual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsnext sweep in 120s
How the Seoul to Changsha route actually runs
Pro Flight Search records official board updates for nonstop ICN to CSX flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.
Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Cite this data
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Suggested citation
Pro Flight Search — Seoul (ICN) to Changsha (CSX) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/ICN-CSX
ICN to CSX questions
Is ICN–CSX running on time right now?
Mostly on schedule. The departure side at ICN is the weaker end, route health score 70/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on ICN–CSX?
Operators schedule evening departures around 21:10 from ICN. Earlier flights typically land before destination-airport delays accumulate later in the day; check the CSX delay card to confirm conditions when you'd arrive.
How long is the flight from ICN to CSX?
Great-circle distance is 1,606 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 143–168 min gate-to-gate on this route.
How often does ICN–CSX fly?
3 carriers operate this route, around 12 flights a week between them. Compare carrier days and times in the airline list above.
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