Flight OddsUA4728 BIL → DEN
United Airlines · Billings, MT to Denver, CO · 254 flights observed, 2025-07-01 to 2026-05-20 · 455 mi
UA4728 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
88%
Median delay
-17 min
90th percentile
+26 min
Cancellation rate
1%
How often is UA4728 on time?
Across 254 flights on BIL → DEN from 2025-07-01 to 2026-05-20, UA4728 arrived within 15 minutes of schedule 88% of the time. The median arrival delay was -17 min, and the worst 10% of flights arrived +26 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 | 222 | 88% |
| 16-30 min | 12 | 5% |
| 31-60 min | 5 | 2% |
| 61-120 min | 7 | 3% |
| 2+ hrs | 6 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 84% | -2 min |
| 2025-08 | 31 | 87% | -8 min |
| 2025-09 | 24 | 96% | -8 min |
| 2025-12 | 29 | 83% | +15 min |
| 2026-01 | 30 | 93% | -16 min |
| 2026-02 | 26 | 77% | +0 min |
| 2026-03 | 31 | 84% | -1 min |
| 2026-04 | 30 | 100% | -21 min |
| 2026-05 | 20 | 90% | -20 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 35 | 89% |
| Tue | 38 | 95% |
| Wed | 37 | 86% |
| Thu | 35 | 86% |
| Fri | 35 | 86% |
| Sat | 36 | 89% |
| Sun | 36 | 86% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…