Flight OddsUA459 PDX → DEN
United Airlines · Portland, OR to Denver, CO · 347 flights observed, 2025-07-03 to 2026-06-30 · 991 mi
UA459 covers more than one route in the data window — the stats below are for PDX → DEN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
97%
Median delay
-14 min
90th percentile
+1 min
Cancellation rate
0%
How often is UA459 on time?
Across 347 flights on PDX → DEN from 2025-07-03 to 2026-06-30, UA459 arrived within 15 minutes of schedule 97% of the time. The median arrival delay was -14 min, and the worst 10% of flights arrived +1 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 | 336 | 97% |
| 16-30 min | 1 | 0% |
| 31-60 min | 4 | 1% |
| 61-120 min | 1 | 0% |
| 2+ hrs | 4 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 20 | 95% | -7 min |
| 2025-08 | 26 | 96% | -9 min |
| 2025-09 | 30 | 97% | -2 min |
| 2025-10 | 31 | 97% | -12 min |
| 2025-11 | 29 | 97% | -9 min |
| 2025-12 | 31 | 97% | -11 min |
| 2026-01 | 31 | 100% | -13 min |
| 2026-02 | 27 | 93% | -4 min |
| 2026-03 | 30 | 100% | -20 min |
| 2026-04 | 30 | 97% | -14 min |
| 2026-05 | 31 | 97% | +4 min |
| 2026-06 | 30 | 100% | -10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 52 | 98% |
| Tue | 46 | 100% |
| Wed | 44 | 100% |
| Thu | 52 | 96% |
| Fri | 50 | 100% |
| Sat | 51 | 92% |
| Sun | 51 | 94% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…