Flight

SWA1521 4 May 2026

SWA1521, operated by Southwest Airlines, on 4 May 2026: Dallas Love Fld (KDAL) to Chicago Midway International (KMDW). Scheduled and actual times are local to each airport (hover for UTC).

← 2 May 2026All SWA1521 flights6 May 2026 →

Flight

PlaneTrack receiver network
RouteKDAL DALLAS LOVE FLD → KMDW CHICAGO MIDWAY INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne22:51 CDT 3 May
Last seen12:26 CDT
Duration13h 34m
AircraftAC48AC
Max altitude38,000 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.