Flight
DAL20 18 Jun 2026
DAL20, operated by Delta Air Lines, on 18 Jun 2026: Seattle Tacoma International (KSEA) to Heathrow (EGLL), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2estimated
PlaneTrack receiver network| Route | KSEA SEATTLE TACOMA INTERNATIONAL → EGLL HEATHROW |
| Status | Completed (receiver network) |
| First seen airborne | 22:32 PDT 17 Jun |
| Last seen | 13:28 BST |
| Duration | 6h 55m |
| Aircraft | A54137 |
| Max altitude | 37,000 ft |
| Distance tracked | 4,158 nm |
Leg 2 of 2estimated
PlaneTrack receiver network| Route | ? → EGLC CITY |
| Status | Completed (receiver network) |
| First seen airborne | 13:05Z |
| Last seen | 16:44 BST |
| Duration | 2h 38m |
| Aircraft | A54137 |
| Max altitude | 39,000 ft |
Punctuality, last 30 days
| Flights | 8 |
| On time | 5 (62%) |
| Average delay | -61 min |
| Worst delay | +28 min |
In the last 30 days DAL20 departed on time (within 15 minutes) on 5 of 8 flights (62%), with an average departure delay of -61 min and a worst delay of +28 min.
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.