Flight

SWA4521 26 Sep 2026

SWA4521, operated by Southwest Airlines, on 26 Sep 2026: San Francisco International (KSFO) to Burbank Glendale Pasadena (KBUR), 2 legs. Scheduled and actual times are local to each airport (hover for UTC).

← 25 Sep 2026All SWA4521 flights29 Sep 2026 →

Leg 1 of 2

FAA SWIM schedule
RouteKSFO SAN FRANCISCO INTERNATIONAL → KBUR BURBANK GLENDALE PASADENA
StatusCompleted, departure delayed +67 min
Scheduled departure18:30 PDT 25 Sep
Actual departure19:37 PDT 25 Sep delayed +67 min
Actual arrival20:29 PDT 25 Sep
Duration0h 52m
AircraftN7743B B737
Max altitude31,025 ft
Distance tracked283 nm

Leg 2 of 2

FAA SWIM schedule
RouteKPSP PALM SPRINGS INTERNATIONAL → KSMF SACRAMENTO INTERNATIONAL
StatusCompleted, departed on time (+6 min)
Scheduled departure11:10 PDT
Actual departure11:16 PDT on time
Actual arrival12:22 PDT
Duration1h 06m
AircraftN556WN B737

Punctuality, last 30 days

Flights6
On time2 (33%)
Average delay-77 min
Worst delay+132 min

In the last 30 days SWA4521 departed on time (within 15 minutes) on 2 of 6 flights (33%), with an average departure delay of -77 min and a worst delay of +132 min.

SWA4521 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.