Flight
UAL404 19 Aug 2025
UAL404, operated by United Airlines, on 19 Aug 2025: George Bush Intcntl Houston (KIAH) to Trenton Mercer (KTTN), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2
PlaneTrack receiver network| Route | KIAH GEORGE BUSH INTCNTL HOUSTON → KTTN TRENTON MERCER |
| Status | Completed (receiver network) |
| First seen airborne | 21:00 CDT 18 Aug |
| Last seen | 13:10 EDT |
| Duration | 15h 09m |
| Aircraft | N37540 |
| Max altitude | 35,000 ft |
| Distance tracked | 1,178 nm |
Leg 2 of 2
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → ? |
| Status | Completed (receiver network) |
| First seen airborne | 10:46 PDT |
| Last seen | 23:58Z |
| Duration | 6h 11m |
| Aircraft | A4945F |
| Max altitude | 33,000 ft |
Punctuality, last 30 days
| Flights | 11 |
| On time | 4 (36%) |
| Average delay | +18 min |
| Worst delay | +34 min |
In the last 30 days UAL404 departed on time (within 15 minutes) on 4 of 11 flights (36%), with an average departure delay of +18 min and a worst delay of +34 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.