Flight OddsUA520 SFO → PHX
United Airlines · San Francisco, CA to Phoenix, AZ · 37 flights observed, 2026-01-06 to 2026-02-11 · 651 mi
UA520 covers more than one route in the data window — the stats below are for SFO → PHX, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
89%
Median delay
-7 min
90th percentile
+12 min
Cancellation rate
0%
How often is UA520 on time?
Across 37 flights on SFO → PHX from 2026-01-06 to 2026-02-11, UA520 arrived within 15 minutes of schedule 89% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +12 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 33 | 89% |
| 16-30 min | 2 | 5% |
| 31-60 min | 1 | 3% |
| 61-120 min | 1 | 3% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 26 | 88% | -5 min |
| 2026-02 | 11 | 91% | +8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 100% |
| Tue | 6 | 83% |
| Wed | 6 | 83% |
| Thu | 5 | 80% |
| Fri | 5 | 80% |
| Sat | 5 | 100% |
| Sun | 5 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…