Flight

SWA1521 7 Jul 2026

SWA1521, operated by Southwest Airlines, on 7 Jul 2026: Denver International (KDEN) to Dallas Fort Worth International (KDFW), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).

← 6 Jul 2026All SWA1521 flights8 Jul 2026 →

Leg 1 of 2estimated

PlaneTrack receiver network
RouteKDEN DENVER INTERNATIONAL → KDFW DALLAS FORT WORTH INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne21:45 MDT 6 Jul
Last seen00:06 CDT
Duration1h 20m
AircraftN8522P
Max altitude39,025 ft
Distance tracked556 nm

Leg 2 of 2estimated

PlaneTrack receiver network
RouteKDAL DALLAS LOVE FLD → KMDW CHICAGO MIDWAY INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne06:34 CDT
Last seen18:54 CDT
Duration12h 19m
AircraftN8522P
Max altitude37,025 ft
Distance tracked689 nm

Punctuality, last 30 days

Flights7
On time1 (14%)
Average delay+35 min
Worst delay+94 min

In the last 30 days SWA1521 departed on time (within 15 minutes) on 1 of 7 flights (14%), with an average departure delay of +35 min and a worst delay of +94 min.

SWA1521 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.