Flight
UAL1284 23 Dec 2025
UAL1284, operated by United Airlines, on 23 Dec 2025: San Francisco International (KSFO) to Chicago Ohare International (KORD), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → KORD CHICAGO OHARE INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 07:01 PST |
| Last seen | 13:07 CST |
| Duration | 4h 06m |
| Aircraft | A2450B |
| Max altitude | 35,000 ft |
| Distance tracked | 1,600 nm |
Leg 2 of 2
PlaneTrack receiver network| Route | KORD CHICAGO OHARE INTERNATIONAL → KEWR NEWARK LIBERTY INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 16:02 CST |
| Last seen | 18:47 EST |
| Duration | 1h 44m |
| Aircraft | N45440 |
| Max altitude | 35,000 ft |
| Distance tracked | 623 nm |
Punctuality, last 30 days
| Flights | 8 |
| On time | 1 (12%) |
| Average delay | +40 min |
| Worst delay | +79 min |
In the last 30 days UAL1284 departed on time (within 15 minutes) on 1 of 8 flights (12%), with an average departure delay of +40 min and a worst delay of +79 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.