Flight OddsUA511 ORD → PHX
United Airlines · Chicago, IL to Phoenix, AZ · 175 flights observed, 2025-08-19 to 2026-02-11 · 1,440 mi
UA511 covers more than one route in the data window — the stats below are for ORD → PHX, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
74%
Median delay
-5 min
90th percentile
+50 min
Cancellation rate
0%
How often is UA511 on time?
Across 175 flights on ORD → PHX from 2025-08-19 to 2026-02-11, UA511 arrived within 15 minutes of schedule 74% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +50 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 | 129 | 74% |
| 16-30 min | 16 | 9% |
| 31-60 min | 16 | 9% |
| 61-120 min | 9 | 5% |
| 2+ hrs | 4 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 12 | 83% | -2 min |
| 2025-09 | 29 | 83% | +1 min |
| 2025-10 | 31 | 65% | +7 min |
| 2025-11 | 29 | 62% | +18 min |
| 2025-12 | 31 | 77% | +9 min |
| 2026-01 | 31 | 74% | +5 min |
| 2026-02 | 11 | 91% | -19 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 24 | 67% |
| Tue | 26 | 77% |
| Wed | 25 | 68% |
| Thu | 24 | 71% |
| Fri | 25 | 84% |
| Sat | 25 | 80% |
| Sun | 25 | 72% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…