Flight
UAL1278 21 Oct 2025
UAL1278, operated by United Airlines, on 21 Oct 2025: Sacramento International (KSMF) 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 | KSMF SACRAMENTO INTERNATIONAL → KORD CHICAGO OHARE INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 08:45 PDT |
| Last seen | 14:48 CDT |
| Duration | 4h 03m |
| Aircraft | N77539 |
| Max altitude | 37,025 ft |
| Distance tracked | 1,544 nm |
Leg 2 of 2partial
PlaneTrack receiver network| Route | KORD CHICAGO OHARE INTERNATIONAL → ? |
| Status | Partial record (receiver network) |
| First seen airborne | 17:25 CDT |
| Aircraft | A05E02 |
Punctuality, last 30 days
| Flights | 14 |
| On time | 7 (50%) |
| Average delay | -70 min |
| Worst delay | +85 min |
In the last 30 days UAL1278 departed on time (within 15 minutes) on 7 of 14 flights (50%), with an average departure delay of -70 min and a worst delay of +85 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.