Jin Air LJ421 Flight Status Tracker
LJ421 is a domestic flight operated by Jin Air. LJ421 is departing from Seoul (GMP), South Korea and arriving at Jeju (CJU), South Korea. The flight distance is about 450.52 km or 279.94 miles and flight time is 0 minutes. Get the latest status of LJ421 / JNA421 here.
Update on Jan. 12, 2026, 4:55 a.m.
Lastest Status
Arrived On time
| GMP | CJU |
Distance: 450.52 km / 279.94 miles or 243.26 nautical miles.
Departure Seoul Gimpo International Airport
Actual Departure: 06:49
Scheduled Departure: 06:45
Departure Terminal : Gate
Arrival Jeju Airport
Actual Arrival: 07:58
Scheduled Arrival: 07:55
Arrival Terminal : Gate
Flight LJ421 detail information
| Type | Domestic Flight |
| Route | Departure Seoul (GMP), South Korea and arriving at Jeju (CJU), South Korea |
| Airlines | Jin Air (LJ) |
| Aircraft | B738 |
| Flight Duration | 0 minutes |
| Flight Distance | 450.52 km /279.94 miles |
| Operating Days |
Find more flight status
LJ421 Airports
| Departures |
|---|
| Airport: Seoul Gimpo International Airport, South Korea |
| ICAO Code: GMP |
| GMP Current time: 10:08 13-Jan-2026 |
| Arrivals |
| Airport: Jeju Airport, South Korea |
| ICAO Code: CJU |
| CJU Current time: 10:08 13-Jan-2026 |