Flight OddsUA5129 DEN → RKS
United Airlines · Denver, CO to Rock Springs, WY · 49 flights observed, 2025-07-01 to 2025-08-18 · 260 mi
UA5129 covers more than one route in the data window — the stats below are for DEN → RKS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
48%
Median delay
+19 min
90th percentile
+110 min
Cancellation rate
6%
How often is UA5129 on time?
Across 49 flights on DEN → RKS from 2025-07-01 to 2025-08-18, UA5129 arrived within 15 minutes of schedule 48% of the time. The median arrival delay was +19 min, and the worst 10% of flights arrived +110 min or later. 6% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 21 | 48% |
| 16-30 min | 3 | 7% |
| 31-60 min | 9 | 20% |
| 61-120 min | 7 | 16% |
| 2+ hrs | 4 | 9% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 28 | 43% | +53 min |
| 2025-08 | 16 | 56% | +76 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 7 | 29% |
| Tue | 6 | 50% |
| Wed | 6 | 50% |
| Thu | 6 | 67% |
| Fri | 7 | 14% |
| Sat | 6 | 83% |
| Sun | 6 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…