Flight
SWA3556 18 Sep 2026
SWA3556, operated by Southwest Airlines, on 18 Sep 2026: San Francisco International (KSFO) to Chicago Midway International (KMDW). Scheduled and actual times are local to each airport (hover for UTC).
Flightestimated
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → KMDW CHICAGO MIDWAY INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 23:52 PDT 17 Sep |
| Last seen | 06:14 CDT |
| Duration | 4h 21m |
| Aircraft | AC791B |
| Max altitude | 35,025 ft |
| Distance tracked | 1,607 nm |
Punctuality, last 30 days
| Flights | 8 |
| On time | 3 (38%) |
| Average delay | +21 min |
| Worst delay | +70 min |
In the last 30 days SWA3556 departed on time (within 15 minutes) on 3 of 8 flights (38%), with an average departure delay of +21 min and a worst delay of +70 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.