Flight
DAL1561 19 Aug 2025
DAL1561, operated by Delta Air Lines, on 19 Aug 2025: Seattle Tacoma International (KSEA) to Ontario International (KONT), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2
PlaneTrack receiver network| Route | KSEA SEATTLE TACOMA INTERNATIONAL → KONT ONTARIO INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 07:11 PDT |
| Last seen | 12:06 PDT |
| Duration | 4h 55m |
| Aircraft | N129DU |
| Max altitude | 37,000 ft |
| Distance tracked | 831 nm |
Leg 2 of 2
PlaneTrack receiver network| Route | KONT ONTARIO INTERNATIONAL → KSEA SEATTLE TACOMA INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 14:39 PDT |
| Last seen | 16:40 PDT |
| Duration | 2h 01m |
| Aircraft | N129DU |
| Max altitude | 38,000 ft |
| Distance tracked | 831 nm |
Punctuality, last 30 days
| Flights | 8 |
| On time | 6 (75%) |
| Average delay | -346 min |
| Worst delay | +23 min |
In the last 30 days DAL1561 departed on time (within 15 minutes) on 6 of 8 flights (75%), with an average departure delay of -346 min and a worst delay of +23 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.