Flight OddsUA5257 DEN → BIL
United Airlines · Denver, CO to Billings, MT · 211 flights observed, 2025-07-01 to 2026-06-30 · 455 mi
UA5257 covers more than one route in the data window — the stats below are for DEN → BIL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
83%
Median delay
-8 min
90th percentile
+34 min
Cancellation rate
1%
How often is UA5257 on time?
Across 211 flights on DEN → BIL from 2025-07-01 to 2026-06-30, UA5257 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +34 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 | 172 | 83% |
| 16-30 min | 14 | 7% |
| 31-60 min | 13 | 6% |
| 61-120 min | 8 | 4% |
| 2+ hrs | 1 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 26 | 58% | +16 min |
| 2025-08 | 31 | 65% | +18 min |
| 2025-09 | 30 | 93% | -7 min |
| 2025-10 | 31 | 100% | -11 min |
| 2025-11 | 29 | 97% | -13 min |
| 2026-04 | 1 | 100% | +3 min |
| 2026-05 | 30 | 77% | +3 min |
| 2026-06 | 30 | 87% | -7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 29 | 83% |
| Tue | 31 | 81% |
| Wed | 29 | 86% |
| Thu | 29 | 83% |
| Fri | 29 | 76% |
| Sat | 30 | 93% |
| Sun | 31 | 77% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…