Flight OddsUA5571 BIL → DEN
United Airlines · Billings, MT to Denver, CO · 25 flights observed, 2025-08-20 to 2025-09-24 · 455 mi
UA5571 covers more than one route in the data window — the stats below are for BIL → DEN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
71%
Median delay
+5 min
90th percentile
+79 min
Cancellation rate
0%
How often is UA5571 on time?
Across 25 flights on BIL → DEN from 2025-08-20 to 2025-09-24, UA5571 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was +5 min, and the worst 10% of flights arrived +79 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 | 17 | 71% |
| 16-30 min | 1 | 4% |
| 31-60 min | 2 | 8% |
| 61-120 min | 3 | 13% |
| 2+ hrs | 1 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 8 | 50% | +21 min |
| 2025-09 | 16 | 81% | +22 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 60% |
| Tue | No data | — |
| Wed | 6 | 83% |
| Thu | 5 | 80% |
| Fri | 5 | 40% |
| Sat | No data | — |
| Sun | 3 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…