Flight
SWA123 21 May 2026
SWA123, operated by Southwest Airlines, on 21 May 2026: William P Hobby (KHOU) to Chicago Midway International (KMDW), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2
PlaneTrack receiver network| Route | KHOU WILLIAM P HOBBY → KMDW CHICAGO MIDWAY INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 19:49 CDT 20 May |
| Last seen | 21:40 CDT 20 May |
| Duration | 1h 50m |
| Aircraft | N8537Z |
| Max altitude | 39,025 ft |
| Distance tracked | 815 nm |
Leg 2 of 2estimated
PlaneTrack receiver network| Route | KMDW CHICAGO MIDWAY INTERNATIONAL → KORD CHICAGO OHARE INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 07:10 CDT |
| Last seen | 17:38 CDT |
| Duration | 10h 27m |
| Aircraft | N8537Z |
| Max altitude | 37,000 ft |
| Distance tracked | 13 nm |
Punctuality, last 30 days
| Flights | 8 |
| On time | 2 (25%) |
| Average delay | +36 min |
| Worst delay | +84 min |
In the last 30 days SWA123 departed on time (within 15 minutes) on 2 of 8 flights (25%), with an average departure delay of +36 min and a worst delay of +84 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.