Direct flights from Seoul (GMP) to Ulsan (USN): 21 nonstop departures observed each week across 2 airlines. No cancellations were recorded across the 24 tracked flights. The nonstop covers 316 km, an estimated 54 minutes in the air. Measured by Pro Flight Search from live flight boards at Seoul and Ulsan. Updated 15 November 2026 at 11:38 UTC.
Pro Flight Search records official board updates for nonstop GMP to USN 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.
Mostly on schedule. The departure side at GMP is the weaker end, route health score 78/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on GMP–USN?
Operators schedule morning departures around 07:50 and evening departures around 18:40 from GMP. Earlier flights typically land before destination-airport delays accumulate later in the day; check the USN delay card to confirm conditions when you'd arrive.
How long is the flight from GMP to USN?
Great-circle distance is 316 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 52–57 min gate-to-gate on this route.
How often does GMP–USN fly?
2 carriers operate this route, around 21 flights a week between them. Compare carrier days and times in the airline list above.