Flight OddsUA571 IAH → PHX
United Airlines · Houston, TX to Phoenix, AZ · 14 flights observed, 2025-08-01 to 2025-08-18 · 1,009 mi
UA571 covers more than one route in the data window — the stats below are for IAH → PHX, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
57%
Median delay
+9 min
90th percentile
+143 min
Cancellation rate
0%
How often is UA571 on time?
Across 14 flights on IAH → PHX from 2025-08-01 to 2025-08-18, UA571 arrived within 15 minutes of schedule 57% of the time. The median arrival delay was +9 min, and the worst 10% of flights arrived +143 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 | 8 | 57% |
| 16-30 min | 1 | 7% |
| 31-60 min | 1 | 7% |
| 61-120 min | 2 | 14% |
| 2+ hrs | 2 | 14% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 14 | 57% | +41 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 100% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 2 | 50% |
| Fri | 3 | 33% |
| Sat | 3 | 67% |
| Sun | 3 | 33% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…