Flight
DAL20 21 Jul 2026
DAL20, operated by Delta Air Lines, on 21 Jul 2026: Seattle Tacoma International (KSEA) to Heathrow (EGLL). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KSEA SEATTLE TACOMA INTERNATIONAL → EGLL HEATHROW |
| Status | Completed (receiver network) |
| First seen airborne | 22:25 PDT 20 Jul |
| Last seen | 15:14 BST |
| Duration | 8h 48m |
| Aircraft | A53612 |
| Max altitude | 39,025 ft |
| Distance tracked | 4,158 nm |
Punctuality, last 30 days
| Flights | 6 |
| On time | 5 (83%) |
| Average delay | -88 min |
| Worst delay | +28 min |
In the last 30 days DAL20 departed on time (within 15 minutes) on 5 of 6 flights (83%), with an average departure delay of -88 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.