Flight
UAL1399 9 Sep 2026
UAL1399, operated by United Airlines, on 9 Sep 2026, 3 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 3estimated
PlaneTrack receiver network| Route | Route not recorded |
| Status | Completed (receiver network) |
| First seen airborne | 00:00Z |
| Last seen | 00:44Z |
| Duration | 0h 43m |
| Aircraft | N57439 |
| Max altitude | 25,000 ft |
Leg 2 of 3estimated
PlaneTrack receiver network| Route | KEWR NEWARK LIBERTY INTERNATIONAL → KMCI KANSAS CITY INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 22:06 EDT 8 Sep |
| Last seen | 23:42 CDT 8 Sep |
| Duration | 2h 36m |
| Aircraft | AA7F2B |
| Max altitude | 38,000 ft |
| Distance tracked | 946 nm |
Leg 3 of 3
PlaneTrack receiver network| Route | KMCI KANSAS CITY INTERNATIONAL → ? |
| Status | Completed (receiver network) |
| First seen airborne | 06:11 CDT |
| Last seen | 23:56Z |
| Duration | 12h 45m |
| Aircraft | AA7F2B |
| Max altitude | 35,000 ft |
Punctuality, last 30 days
| Flights | 14 |
| On time | 7 (50%) |
| Average delay | +93 min |
| Worst delay | +1146 min |
In the last 30 days UAL1399 departed on time (within 15 minutes) on 7 of 14 flights (50%), with an average departure delay of +93 min and a worst delay of +1146 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.