Delta Air LinesDL88% on time
Flights DL158 10:15 daily
live
Direct flights from Seoul (ICN) to Detroit (DTW): 7 nonstop departures observed each week across 1 airline. 88% of the last 8 operated flights arrived within 15 minutes of schedule. The median arrival is on schedule. No cancellations were recorded across the 8 tracked flights. The nonstop covers 10,655 km, an estimated 14 hours 10 minutes in the air. Measured by Pro Flight Search from live flight boards at Seoul and Detroit. Updated 11 September 2026 at 04:25 UTC.
ICN
Seoul
busy · +19
DTW
Detroit
smooth · +0
10,655 km · ~14h 10m est.
Runs reliable · 1 airline · 7x weekly · nonstop
88% on time
of the last 8 operated ICN → DTW flights arrived within 15 minutes
Median arrival delay is +0 min. 0 of 8 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
Median arrival+0 minacross the last 8 operated legs
Flight time~14h 10mestimated from route distance
Weekly departures7x1 direct airline on the leg
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Delta Air Lines
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 boardsWeather lens
Current conditions put the pressure at DTW: 22% odds of a 15+ minute delay and around +1 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →
next sweep in 120s
How the Seoul to Detroit route actually runs
Pro Flight Search records official board updates for nonstop ICN to DTW 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 Detroit (DTW) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/ICN-DTW
ICN to DTW questions
Is ICN–DTW running on time right now?
Smooth skies ahead. The departure side at ICN is the weaker end, route health score 87/100. The airports section above carries the live status and delay window at both ends.
How long is the flight from ICN to DTW?
Great-circle distance is 10,655 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 782–943 min gate-to-gate on this route.
How often does ICN–DTW fly?
Delta Air Lines runs the route with about 7 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.
What does the route health score measure?
A blend of departure-side delay at ICN and arrival-side delay at DTW, computed from rolling delay windows (refreshed every 40 minutes) with a daily-rollup fallback. Current MVFR, IFR, or LIFR endpoint weather caps the score when flight rules can limit throughput. Higher is healthier: 100 means operations are clean at both ends.
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