Flight
SWA139 29 Aug 2026
SWA139, operated by Southwest Airlines, on 29 Aug 2026: Ontario International (KONT) to Sacramento International (KSMF), 3 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 3
PlaneTrack receiver network| Route | KONT ONTARIO INTERNATIONAL → KSMF SACRAMENTO INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 10:36 PDT |
| Last seen | 11:34 PDT |
| Duration | 0h 57m |
| Aircraft | N939WN |
| Max altitude | 34,025 ft |
| Distance tracked | 338 nm |
Leg 2 of 3estimated
PlaneTrack receiver network| Route | KSMF SACRAMENTO INTERNATIONAL → KSEA SEATTLE TACOMA INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 12:34 PDT |
| Last seen | 14:26 PDT |
| Duration | 1h 51m |
| Aircraft | N939WN |
| Max altitude | 38,000 ft |
| Distance tracked | 526 nm |
Leg 3 of 3estimated
PlaneTrack receiver network| Route | Route not recorded |
| Status | Completed (receiver network) |
| First seen airborne | 22:16Z |
| Last seen | 23:08Z |
| Duration | 0h 51m |
| Aircraft | N939WN |
| Max altitude | 39,025 ft |
Punctuality, last 30 days
| Flights | 10 |
| On time | 1 (10%) |
| Average delay | +29 min |
| Worst delay | +83 min |
In the last 30 days SWA139 departed on time (within 15 minutes) on 1 of 10 flights (10%), with an average departure delay of +29 min and a worst delay of +83 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.