Flight

SWA3521 19 Apr 2026

SWA3521, operated by Southwest Airlines, on 19 Apr 2026: Chicago Midway International (KMDW) to Mc Carran International (KLAS), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).

← 18 Apr 2026All SWA3521 flights20 Apr 2026 →

Leg 1 of 2

PlaneTrack receiver network
RouteKMDW CHICAGO MIDWAY INTERNATIONAL → KLAS MC CARRAN INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne10:36 CDT
Last seen16:12 PDT
Duration7h 35m
AircraftN8759Q
Max altitude39,000 ft
Distance tracked1,318 nm

Leg 2 of 2estimated

PlaneTrack receiver network
RouteRoute not recorded
StatusCompleted (receiver network)
First seen airborne23:35Z
Last seen23:58Z
Duration0h 22m
AircraftN8759Q

Punctuality, last 30 days

Flights6
On time4 (67%)
Average delay-203 min
Worst delay+81 min

In the last 30 days SWA3521 departed on time (within 15 minutes) on 4 of 6 flights (67%), with an average departure delay of -203 min and a worst delay of +81 min.

SWA3521 flight history Full history CSV API access

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.