WN4521 Flight Status Southwest Airlines: San Francisco to Burbank (SWA4521)

WN 4521 San Francisco to Burbank Flight Status

Not scheduled today. Latest flight: September 30th, 2026 ; recent history is in the table below.

WN 4521 Flight Status & Schedule Southwest Airlines San Francisco to Burbank

Date From To Departure Arrival Status Details
Sep 30 SFO BUR 10:22 10:00 En-Route Track >
Sep 29 SFO BUR 08:44 09:37 Landed Track >
Sep 28 SFO BUR 19:07 19:57 Landed Track >
Sep 25 SFO BUR 19:37 20:30 Landed Late Track >
Sep 24 SFO BUR 20:02 20:54 Delayed Track >
Sep 23 SFO BUR 08:48 09:39 Landed Track >
Sep 22 SFO BUR 09:19 10:10 Landed Track >
Sep 21 SFO BUR 18:55 19:42 Landed Track >
Sep 18 SFO BUR 20:14 21:05 Delayed Track >
Sep 17 SFO BUR 21:10 19:50 Unknown Track >

Southwest Airlines' San Francisco–Burbank flight covers 525 km (326 mi). Its timetable allows 1 h 20 min; in practice it usually takes about 50 min, so it often makes up time. It is not flying today; the last flight was scheduled on 30 September 2026.

< All San Francisco SFO Departures All Burbank BUR Arrivals >

About WN 4521

Route
San Francisco International Airport SFO to Burbank Bob Hope Airport BUR
Distance
525 km (326 mi)
Typical flight time
50 min
On time
5 of the last 6
Average delay when late
40 min
Usually departs from
Terminal 2

WN 4521 FAQ

How long is the WN4521 flight?
The timetable allows 1 h 20 min. San Francisco to Burbank is 525 km (326 mi).
How often is WN4521 late?
1 of the last 6 flights arrived 15 or more minutes late; when late, by 40 minutes on average.
Which terminal does WN4521 use?
It usually leaves from Terminal 2 at San Francisco International Airport (SFO). Check the flight card above for today's terminal and gate.
What other flight numbers does WN4521 have?
Also listed as SWA4521 (Southwest Airlines' ICAO code) and WN 4521.

WN4521 and San Francisco SFO to Burbank BUR Flights

Other flights departing from San Francisco SFO: AS424, QX2418, OO5907, WN2496

Other flights arriving at Burbank BUR: MQ4227, WN3364, WN3683, AA4227

All flights connecting San Francisco SFO to Burbank BUR.