| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 31 | BNA | SFO | 07:07 | 09:29 |
Landed
|
Track > |
| Jul 30 | BNA | SFO | 07:08 | 09:17 |
Landed
|
Track > |
| Jul 29 | BNA | SFO | 07:12 | 09:28 |
Landed
|
Track > |
| Jul 28 | BNA | SFO | 07:16 | 09:32 |
Landed
|
Track > |
| Jul 27 | BNA | SFO | 07:09 | 09:17 |
Landed
|
Track > |
| Jul 26 | BNA | SFO | 07:00 | 09:45 |
Cancelled
|
Track > |
| Claim > | ||||||
| Jul 25 | BNA | SFO | 07:00 | 09:45 |
Cancelled
|
Track > |
| Jul 24 | BNA | SFO | 07:44 | 09:44 |
Landed
|
Track > |
| Jul 23 | BNA | SFO | 07:37 | 09:40 |
Landed
|
Track > |
| Jul 22 | BNA | SFO | 07:19 | 09:25 |
Landed
|
Track > |
United Airlines Flight UA521 connects Nashville, United States to San Francisco, United States, taking off from Nashville International Airport BNA and landing at San Francisco International Airport SFO.
How long is the UA521 flight from Nashville to San Francisco?
The average flight time from Nashville to San Francisco is 4 hours and 10 minutes. The flight distance is 3160 km / 1964 miles and the average flight speed is 740 km/h / 460 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA521 Nashville to San Francisco?
The Airportia On-Time Performance Rating for United Airlines Flight UA521 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA521 arriving at?
Flight UA521 arrives at San Francisco International Airport (SFO) Terminal 2.
When was the latest UA521 flight?
The latest flight took off on Thursday, July 31st, 2025 with the flight status being Landed on 09:29.
How else can the flight UA521 be referenced as?
This United Airlines flight can also be referenced as UAL521, UA0521, UA 521, UAL 521.
How often is flight UA521 delayed?
On average, 0% of all UA521 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled UA521 flight or baggage issues?
If your UA521 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 UA521 Flight Tracker above for more details.
Flight UA521 is code-shared by 2 airlines using the flight numbers NZ9386, VA8170
Other flights departing from Nashville BNA: WN997, G4322, WN1416, WN4010
Other flights arriving at San Francisco SFO: UA1493, WN2768, AA4977, OO280
All flights connecting Nashville BNA to San Francisco SFO.
