South Korea
Seoul Airport (ICN)
Incheon International Airport: FlightPeek analyses 4 flight numbers to and from Seoul. On average, 34% of departures leave on time.
IATA / ICAOICN / RKSIIncheon International Airport
CountryKRSouth Korea
Time zoneSeoulAsia/Seoul
On-time departures34 %Average of all flights: 61%
Departures from Seoul
Arrivals in Seoul
On time means leaving the gate no more than 15 minutes late. Each figure covers roughly three months, as of 28 September 2026.
Never miss a gate change in Seoul
Free for 3 daysFlightPeek reports gate and terminal as soon as they are set – and every change after.
Frequently asked questions
- How punctual are departures from Seoul?
- Across the flight numbers FlightPeek analyses from Seoul, 34% of departures leave no more than 15 minutes late on average (as of 28 September 2026). That is 27 percentage points below the average across all 488 flight numbers FlightPeek analyses (61%).
- Which time zone is Seoul Airport in?
- Incheon International Airport is in the Asia/Seoul time zone. All times on this page are local.
- How do I hear about gate changes in Seoul?
- FlightPeek reports gate and terminal as soon as they are set – and every change after that as a phone notification.