GMP → USNSeoul to Ulsan

live

Direct flights from Seoul (GMP) to Ulsan (USN): 27 nonstop departures observed each week across 2 airlines. No cancellations were recorded across the 23 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 31 October 2026 at 09:38 UTC.

Today, GMP → USN

Sat 31 Oct · local times
KE1843대한항공In the air, 15 min late

Left GMP at 08:05, 15 min after its 07:50 slot.

Track KE1843 →
  1. 07:50 KE1843대한항공 Left 08:05 +15 ·
  2. 12:55 LJ6171진에어 Left 13:05 +10 ·
  3. 18:40 KE1847대한항공 On scheduleGate 1 ·

Checked GMP board 18:38

GMP Seoul smooth · +11
USN Ulsan tracking
316 km · ~0h 54m est.
dep bank 07:20–18:5527x weekly
Running clean · 2 airlines · 27x weekly · nonstop
84 / 100

route health from live GMP and USN delay boards

0 of 23 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Flight time~0h 54mestimated from route distance
Weekly departures27x2 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 23

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Jin Air대한항공

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 days
Jin AirLJ

Flights LJ6171 12:55 Mo Tu We Th Fr Su · LJ655 13:25 daily

대한항공KE

Flights KE1843 varies daily · KE1847 varies daily

History

operated legs · board outcomes
10-31KE1843departed+15
10-31LJ6171departed+10
10-30KE1843departed+13
10-30KE1847departed+45
10-30LJ6171departed+12
10-29KE1843departed+16
10-29KE1847departed+18
10-29LJ6171departed+18
10-28KE1843departed+12
10-28KE1847departed+15
10-28LJ6171departed+19
10-27KE1843departed+14
10-27KE1847departed+15
10-27LJ6171departed+32
10-26KE1843departed+15
10-26KE1847departed+22
10-26LJ6171departed+23
10-25KE1843departed+14
10-25KE1847departed+22
10-25LJ6171departed+16
10-24KE1843departed+16
10-24KE1847departed+18
10-24LJ655departed+20

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
GMPSeoul +11 min smooth Full GMP delay board →
USNUlsan tracking Full USN delay board →

How the Seoul to Ulsan route actually runs

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.

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 (GMP) to Ulsan (USN) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/GMP-USN
How we measure this →

GMP to USN questions

Is GMP–USN running on time right now?

Smooth skies ahead. The departure side at GMP is the weaker end, route health score 84/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on GMP–USN?

Operators schedule 2 departures 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 27 flights a week between them. Compare carrier days and times in the airline list above.