United Airlines
Is UA520 delayed?
No delay reported yet. UA520 is scheduled to leave Burbank at 09:54 on Nov 14 and reach San Francisco at 11:10 (as of Nov 14, 15:47 UTC).
Usually on time: arrived within 15 min of schedule on 27 of the last 33 flights.
Each route and date is shown separately. Confirm that both airports match your booking.
No live update yet
Showing the published schedule until live times come in.
Update time unavailable
Departure
Burbank
BUR
Scheduled
Nov 14
Arrival
San Francisco
SFO
Scheduled
Nov 14
Times shown in airport local time
Service date: · Scheduled departure date (America/Los_Angeles)
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
No live update yet
Showing the published schedule until live times come in.
Update time unavailable
Departure
San Francisco
SFO
Scheduled
Nov 14
Arrival
Tampa
TPA
Scheduled
Nov 14
Times shown in airport local time
Service date: · Scheduled departure date (America/Los_Angeles)
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Also sold as AC3286, AV2347, AV2349
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 14 min early
San Francisco → Tampa
- 34 min early
Burbank → San Francisco
- 66 min late
Burbank → San Francisco
- 15 min early
San Francisco → Tampa
- 18 min early
Burbank → San Francisco
Is UA520 usually late?
Period: Oct 15, 2026 – Nov 14, 2026
On time means arriving no more than 15 minutes after the scheduled time; late means more than 15 minutes after. Cancelled and diverted flights are counted apart from arrivals. Compares scheduled and actual arrival times. Cancelled and diverted flights are left out. Some flights may be missing.
At the airports today
San Francisco (SFO) departures
- Left more than 15 min late
- 25 of 46
- Cancelled today
- 41
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Nov 13, 2026Cancelled | San Francisco | Tampa | Not available | Not available |
| Nov 13, 2026Cancelled | Burbank | San Francisco | Not available | Not available |
| Nov 12, 2026Arrived | San Francisco | Tampa | -14 | |
| Nov 12, 2026Arrived | Burbank | San Francisco | -34 | |
| Nov 11, 2026Arrived | Burbank | San Francisco | 66 | |
| Nov 10, 2026Arrived | San Francisco | Tampa | -15 | |
| Nov 10, 2026Arrived | Burbank | San Francisco | -18 | |
| Nov 9, 2026Arrived | San Francisco | Tampa | -10 | |
| Nov 9, 2026Arrived | Burbank | San Francisco | 67 | |
| Nov 8, 2026Arrived | San Francisco | Tampa | -23 | |
| Nov 8, 2026Arrived | Burbank | San Francisco | 23 | |
| Nov 7, 2026Arrived | San Francisco | Tampa | -21 | |
| Nov 7, 2026Arrived | Burbank | San Francisco | -21 | |
| Nov 6, 2026Arrived | San Francisco | Tampa | 7 | |
| Nov 5, 2026Arrived | San Francisco | Tampa | -21 | |
| Nov 5, 2026Arrived | Burbank | San Francisco | -27 | |
| Nov 4, 2026Arrived | Burbank | San Francisco | -13 | |
| Nov 3, 2026Arrived | San Francisco | Tampa | -6 | |
| Nov 2, 2026Arrived | San Francisco | Tampa | 13 | |
| Oct 31, 2026Arrived | San Francisco | Tampa | -27 | |
| Oct 30, 2026Arrived | San Francisco | Tampa | -12 | |
| Oct 29, 2026Arrived | San Francisco | Tampa | -11 | |
| Oct 27, 2026Arrived | San Francisco | Tampa | -16 | |
| Oct 26, 2026Arrived | San Francisco | Tampa | -15 | |
| Oct 25, 2026Arrived | San Francisco | Tampa | 4 | |
| Oct 24, 2026Arrived | San Francisco | Salt Lake City | -19 | |
| Oct 23, 2026Arrived | San Francisco | Salt Lake City | -5 | |
| Oct 22, 2026Arrived | San Francisco | Salt Lake City | 60 | |
| Oct 21, 2026Arrived | San Francisco | Salt Lake City | -6 | |
| Oct 20, 2026Arrived | San Francisco | Salt Lake City | 0 | |
| Oct 19, 2026Arrived | San Francisco | Salt Lake City | 2 | |
| Oct 18, 2026Arrived | San Francisco | Salt Lake City | 43 | |
| Oct 17, 2026Arrived | San Francisco | Salt Lake City | -14 | |
| Oct 16, 2026Arrived | San Francisco | Salt Lake City | 90 | |
| Oct 15, 2026Arrived | San Francisco | Salt Lake City | -6 |