Flight
KAL503 23 Apr 2026
KAL503, operated by Korean Air, on 23 Apr 2026: Gimpo (RKSS) to Heathrow (EGLL). Scheduled and actual times are local to each airport (hover for UTC).
Flightestimated
PlaneTrack receiver network| Route | RKSS GIMPO → EGLL HEATHROW |
| Status | Completed (receiver network) |
| First seen airborne | 12:51 KST |
| Last seen | 18:26 BST |
| Duration | 13h 34m |
| Aircraft | HL8251 |
| Max altitude | 36,000 ft |
| Distance tracked | 4,787 nm |
Punctuality, last 30 days
No completed KAL503 departures with FAA schedule times in the last 30 days.
Schedule, departure and arrival times from the FAA SWIM feed; aircraft, altitude and distance from the PlaneTrack receiver network. On time means a departure within 15 minutes of schedule.