Flight
SKW4639 23 Dec 2025
SKW4639, operated by SkyWest Airlines, on 23 Dec 2025: Ontario International (KONT) to San Francisco International (KSFO). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KONT ONTARIO INTERNATIONAL → KSFO SAN FRANCISCO INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 11:52 PST |
| Last seen | 13:04 PST |
| Duration | 1h 11m |
| Aircraft | N119SY |
| Max altitude | 32,000 ft |
| Distance tracked | 315 nm |
Punctuality, last 30 days
| Flights | 7 |
| On time | 4 (57%) |
| Average delay | +53 min |
| Worst delay | +157 min |
In the last 30 days SKW4639 departed on time (within 15 minutes) on 4 of 7 flights (57%), with an average departure delay of +53 min and a worst delay of +157 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.