Flight

SWA1521 28 May 2026

SWA1521, operated by Southwest Airlines, on 28 May 2026: Dallas Love Fld (KDAL) to Sacramento International (KSMF), 3 legs. Scheduled and actual times are local to each airport (hover for UTC).

← 27 May 2026All SWA1521 flights29 May 2026 →

Leg 1 of 3

PlaneTrack receiver network
RouteKDAL DALLAS LOVE FLD → KSMF SACRAMENTO INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne20:43 CDT 27 May
Last seen21:46 PDT 27 May
Duration3h 02m
AircraftN8509U
Max altitude38,025 ft
Distance tracked1,250 nm

Leg 2 of 3estimated

PlaneTrack receiver network
RouteKSMF SACRAMENTO INTERNATIONAL → ?
StatusCompleted (receiver network)
First seen airborne05:29 PDT
Last seen15:34Z
Duration3h 04m
AircraftN8509U
Max altitude29,000 ft

Leg 3 of 3estimated

PlaneTrack receiver network
Route? → KORD CHICAGO OHARE INTERNATIONAL
StatusCompleted (receiver network)
First seen airborne16:37Z
Last seen12:34 CDT
Duration0h 57m
AircraftN8738K
Max altitude37,000 ft

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.