Flight
SWA3855 8 Mar 2026
SWA3855, operated by Southwest Airlines, on 8 Mar 2026: Chicago Midway International (KMDW) to San Francisco International (KSFO). Scheduled and actual times are local to each airport (hover for UTC).
Flight
PlaneTrack receiver network| Route | KMDW CHICAGO MIDWAY INTERNATIONAL → KSFO SAN FRANCISCO INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 22:30 CST 7 Mar |
| Last seen | 00:24 PST |
| Duration | 3h 53m |
| Aircraft | N8840Q |
| Max altitude | 40,025 ft |
| Distance tracked | 1,607 nm |
Punctuality, last 30 days
| Flights | 4 |
| On time | 3 (75%) |
| Average delay | +11 min |
| Worst delay | +18 min |
In the last 30 days SWA3855 departed on time (within 15 minutes) on 3 of 4 flights (75%), with an average departure delay of +11 min and a worst delay of +18 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.