Flight
UAL556 1 Jan 2026
UAL556, operated by United Airlines, on 1 Jan 2026: Newark Liberty International (KEWR) to Phoenix Sky Harbor International (KPHX). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KEWR NEWARK LIBERTY INTERNATIONAL → KPHX PHOENIX SKY HARBOR INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 19:23 EST 31 Dec |
| Last seen | 22:36 MST 31 Dec |
| Duration | 5h 12m |
| Aircraft | N39475 |
| Max altitude | 34,000 ft |
| Distance tracked | 1,849 nm |
Punctuality, last 30 days
| Flights | 7 |
| On time | 3 (43%) |
| Average delay | +22 min |
| Worst delay | +67 min |
In the last 30 days UAL556 departed on time (within 15 minutes) on 3 of 7 flights (43%), with an average departure delay of +22 min and a worst delay of +67 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.