Flight OddsUA597 PHX → DEN
United Airlines · Phoenix, AZ to Denver, CO · 234 flights observed, 2025-08-19 to 2026-06-30 · 602 mi
UA597 covers more than one route in the data window — the stats below are for PHX → DEN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
87%
Median delay
-6 min
90th percentile
+26 min
Cancellation rate
0%
How often is UA597 on time?
Across 234 flights on PHX → DEN from 2025-08-19 to 2026-06-30, UA597 arrived within 15 minutes of schedule 87% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +26 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 | 202 | 87% |
| 16-30 min | 9 | 4% |
| 31-60 min | 12 | 5% |
| 61-120 min | 7 | 3% |
| 2+ hrs | 2 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 12 | 83% | +1 min |
| 2025-09 | 30 | 90% | +1 min |
| 2025-10 | 31 | 84% | +1 min |
| 2025-11 | 30 | 83% | 0 min |
| 2025-12 | 31 | 81% | 0 min |
| 2026-01 | 5 | 100% | -18 min |
| 2026-03 | 23 | 83% | +3 min |
| 2026-04 | 29 | 90% | -6 min |
| 2026-05 | 11 | 91% | +33 min |
| 2026-06 | 30 | 97% | +0 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 34 | 91% |
| Tue | 34 | 88% |
| Wed | 33 | 82% |
| Thu | 32 | 88% |
| Fri | 33 | 91% |
| Sat | 33 | 88% |
| Sun | 33 | 82% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…