Flight
UAL1439 18 Jun 2026
UAL1439, operated by United Airlines, on 18 Jun 2026: Dallas Fort Worth International (KDFW) to Newark Liberty International (KEWR), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2estimated
PlaneTrack receiver network| Route | KDFW DALLAS FORT WORTH INTERNATIONAL → KEWR NEWARK LIBERTY INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 22:46 CDT 17 Jun |
| Last seen | 02:50 EDT |
| Duration | 3h 03m |
| Aircraft | N4888U |
| Max altitude | 33,050 ft |
| Distance tracked | 1,190 nm |
Leg 2 of 2estimated
PlaneTrack receiver network| Route | Route not recorded |
| Status | Completed (receiver network) |
| First seen airborne | 10:00Z |
| Last seen | 22:26Z |
| Duration | 12h 25m |
| Aircraft | N4888U |
| Max altitude | 26,025 ft |
Punctuality, last 30 days
| Flights | 8 |
| On time | 4 (50%) |
| Average delay | +33 min |
| Worst delay | +172 min |
In the last 30 days UAL1439 departed on time (within 15 minutes) on 4 of 8 flights (50%), with an average departure delay of +33 min and a worst delay of +172 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.