Flight
UAL1688 4 Jan 2026
UAL1688, operated by United Airlines, on 4 Jan 2026: San Francisco International (KSFO) to Philadelphia International (KPHL). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → KPHL PHILADELPHIA INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 20:41 PST 3 Jan |
| Last seen | 04:20 EST |
| Duration | 4h 38m |
| Aircraft | A44187 |
| Max altitude | 37,025 ft |
| Distance tracked | 2,185 nm |
Punctuality, last 30 days
| Flights | 7 |
| On time | 2 (29%) |
| Average delay | +27 min |
| Worst delay | +56 min |
In the last 30 days UAL1688 departed on time (within 15 minutes) on 2 of 7 flights (29%), with an average departure delay of +27 min and a worst delay of +56 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.