| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Sep 18 | SFO | BUR | 18:30 | 19:50 |
Delayed >1h
|
Track > |
| Sep 17 | SFO | BUR | 21:10 | 19:50 |
Unknown
|
Track > |
| Sep 16 | SFO | BUR | 09:03 | 09:55 |
Landed
|
Track > |
| Sep 15 | SFO | BUR | 08:46 | 09:37 |
Landed
|
Track > |
| Sep 14 | SFO | BUR | 19:16 | 20:06 |
Landed Late
|
Track > |
| Sep 11 | SFO | BUR | 18:38 | 19:28 |
Landed
|
Track > |
| Sep 10 | SFO | BUR | 19:28 | 20:22 |
Landed Late
|
Track > |
| Sep 09 | SFO | BUR | 08:49 | 09:41 |
Landed
|
Track > |
| Sep 08 | SFO | BUR | 09:08 | 10:01 |
Landed
|
Track > |
| Sep 07 | SFO | BUR | 18:50 | 19:40 |
Landed
|
Track > |
Southwest Airlines Flight WN4521 connects San Francisco, United States to Burbank, United States, taking off from San Francisco International Airport SFO and landing at Burbank Bob Hope Airport BUR.
How long is the WN4521 flight from San Francisco to Burbank?
The average flight time from San Francisco to Burbank is 51 minutes. The flight distance is 525 km / 326 miles and the average flight speed is 568 km/h / 353 mph.
How many WN4521 flights are operated per week?
4 flights per week. The flight WN4521 is operated on Tuesday, Wednesday, Friday and Saturday.
What is the On-Time Performance (OTP) of Southwest Airlines Flight WN4521 San Francisco to Burbank?
The Airportia On-Time Performance Rating for Southwest Airlines Flight WN4521 is 4.9/5 stars. This metric is calculated using data from the past 10 flights.
When was the latest WN4521 flight?
The latest flight took off on Saturday, September 19th, 2026 with the flight status being Scheduled on 19:50.
How else can the flight WN4521 be referenced as?
This Southwest Airlines flight can also be referenced as SWA4521, WN 4521, SWA 4521.
How often is flight WN4521 delayed?
On average, 30% of all WN4521 flights are delayed. The average delay is 16 minutes.
Can I get compensation for my delayed or cancelled WN4521 flight or baggage issues?
If your WN4521 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our WN4521 Flight Tracker above for more details.
Other flights departing from San Francisco SFO: UA1958, UA2478, UA2429, OO5644
Other flights arriving at Burbank BUR: OO3260, XE132, XE113, WN4985
All flights connecting San Francisco SFO to Burbank BUR.