Flight OddsUnited Airlines · Pasco/Kennewick/Richland, WA to Denver, CO · 364 flights observed, 2025-07-01 to 2026-06-30 · 853 mi
UA4721 covers more than one route in the data window — the stats below are for PSC → DEN, the one it has flown most recently. The others are linked under “Other routes”.
How often is UA4721 on time?
Across 364 flights on PSC → DEN from 2025-07-01 to 2026-06-30, UA4721 arrived within 15 minutes of schedule 89% of the time. The median arrival delay was -16 min, and the worst 10% of flights arrived +21 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 | 316 | 89% |
| 16-30 min | 9 | 3% |
| 31-60 min | 11 | 3% |
| 61-120 min | 9 | 3% |
| 2+ hrs | 12 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 27 | 89% | +1 min |
| 2025-08 | 30 | 87% | +1 min |
| 2025-09 | 30 | 93% | -10 min |
| 2025-10 | 31 | 97% | -14 min |
| 2025-11 | 29 | 100% | -21 min |
| 2025-12 | 31 | 94% | -18 min |
| 2026-01 | 31 | 87% | -4 min |
| 2026-02 | 28 | 79% | +9 min |
| 2026-03 | 30 | 80% | -3 min |
| 2026-04 | 30 | 70% | +14 min |
| 2026-05 | 31 | 90% | +9 min |
| 2026-06 | 29 | 97% | -11 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 50 | 92% |
| Tue | 52 | 87% |
| Wed | 51 | 92% |
| Thu | 50 | 82% |
| Fri | 52 | 81% |
| Sat | 50 | 94% |
| Sun | 52 | 92% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…