Flight OddsUA581 DSM → DEN
United Airlines · Des Moines, IA to Denver, CO · 279 flights observed, 2025-07-01 to 2026-04-29 · 589 mi
UA581 covers more than one route in the data window — the stats below are for DSM → DEN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
82%
Median delay
0 min
90th percentile
+27 min
Cancellation rate
1%
How often is UA581 on time?
Across 279 flights on DSM → DEN from 2025-07-01 to 2026-04-29, UA581 arrived within 15 minutes of schedule 82% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +27 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 226 | 82% |
| 16-30 min | 25 | 9% |
| 31-60 min | 7 | 3% |
| 61-120 min | 8 | 3% |
| 2+ hrs | 11 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 71% | +12 min |
| 2025-08 | 31 | 71% | +22 min |
| 2025-09 | 30 | 80% | +3 min |
| 2025-10 | 31 | 81% | +8 min |
| 2025-11 | 29 | 93% | -9 min |
| 2025-12 | 31 | 84% | +25 min |
| 2026-01 | 31 | 81% | +12 min |
| 2026-02 | 27 | 85% | +3 min |
| 2026-03 | 7 | 100% | -7 min |
| 2026-04 | 29 | 86% | +18 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 40 | 83% |
| Tue | 41 | 80% |
| Wed | 41 | 76% |
| Thu | 39 | 85% |
| Fri | 39 | 79% |
| Sat | 38 | 79% |
| Sun | 39 | 90% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…