Flight OddsUA511 PHX → SFO
United Airlines · Phoenix, AZ to San Francisco, CA · 67 flights observed, 2025-08-19 to 2025-10-25 · 651 mi
UA511 covers more than one route in the data window — the stats below are for PHX → SFO, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
67%
Median delay
-1 min
90th percentile
+69 min
Cancellation rate
1%
How often is UA511 on time?
Across 67 flights on PHX → SFO from 2025-08-19 to 2025-10-25, UA511 arrived within 15 minutes of schedule 67% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +69 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 44 | 67% |
| 16-30 min | 8 | 12% |
| 31-60 min | 5 | 8% |
| 61-120 min | 6 | 9% |
| 2+ hrs | 3 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 13 | 54% | +19 min |
| 2025-09 | 28 | 75% | +9 min |
| 2025-10 | 25 | 64% | +18 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 9 | 56% |
| Tue | 10 | 80% |
| Wed | 9 | 67% |
| Thu | 10 | 60% |
| Fri | 9 | 67% |
| Sat | 10 | 80% |
| Sun | 9 | 56% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…