Flight
SWA4129 16 Sep 2026
SWA4129, operated by Southwest Airlines, on 16 Sep 2026: Ronald Reagan Washington National (KDCA) to Chicago Midway International (KMDW). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KDCA RONALD REAGAN WASHINGTON NATIONAL → KMDW CHICAGO MIDWAY INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 12:25 EDT |
| Last seen | 12:50 CDT |
| Duration | 1h 24m |
| Aircraft | N276WN |
| Max altitude | 40,000 ft |
| Distance tracked | 520 nm |
Punctuality, last 30 days
| Flights | 3 |
| On time | 1 (33%) |
| Average delay | +19 min |
| Worst delay | +27 min |
In the last 30 days SWA4129 departed on time (within 15 minutes) on 1 of 3 flights (33%), with an average departure delay of +19 min and a worst delay of +27 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.