Flight
SWA4128 16 Mar 2026
SWA4128, operated by Southwest Airlines, on 16 Mar 2026: Ontario International (KONT) to Baltimore Washington International (KBWI). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KONT ONTARIO INTERNATIONAL → KBWI BALTIMORE WASHINGTON INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 23:15 PDT 15 Mar |
| Last seen | 09:20 EDT |
| Duration | 7h 04m |
| Aircraft | N8584Z |
| Max altitude | 37,000 ft |
| Distance tracked | 1,979 nm |
Punctuality, last 30 days
| Flights | 7 |
| On time | 4 (57%) |
| Average delay | +88 min |
| Worst delay | +281 min |
In the last 30 days SWA4128 departed on time (within 15 minutes) on 4 of 7 flights (57%), with an average departure delay of +88 min and a worst delay of +281 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.