Flight
DAL20 9 Jul 2026
DAL20, operated by Delta Air Lines, on 9 Jul 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 | 22:09 PDT 8 Jul |
| Last seen | 15:54 BST |
| Duration | 9h 44m |
| Aircraft | A539C9 |
| Max altitude | 39,000 ft |
| Distance tracked | 4,158 nm |
Leg 2 of 2estimated
PlaneTrack receiver network| Route | KSEA SEATTLE TACOMA INTERNATIONAL → EGLL HEATHROW |
| Status | Completed (receiver network) |
| First seen airborne | 09:56 PDT |
| Last seen | 18:20 BST |
| Duration | 0h 23m |
| Aircraft | A539C9 |
| Max altitude | 350 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.