Flight
DAL439 4 Oct 2025
DAL439, operated by Delta Air Lines, on 4 Oct 2025: Dallas Fort Worth International (KDFW) to Ontario International (KONT). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KDFW DALLAS FORT WORTH INTERNATIONAL → KONT ONTARIO INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 14:54 CDT |
| Last seen | 15:12 PDT |
| Duration | 2h 17m |
| Aircraft | N318NB |
| Max altitude | 36,025 ft |
| Distance tracked | 1,030 nm |
Punctuality, last 30 days
| Flights | 9 |
| On time | 7 (78%) |
| Average delay | +19 min |
| Worst delay | +78 min |
In the last 30 days DAL439 departed on time (within 15 minutes) on 7 of 9 flights (78%), with an average departure delay of +19 min and a worst delay of +78 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.