Flight OddsUnited Airlines · Bismarck/Mandan, ND to Denver, CO · 362 flights observed, 2025-07-01 to 2026-06-30 · 516 mi
UA4738 covers more than one route in the data window — the stats below are for BIS → DEN, the one it has flown most recently. The others are linked under “Other routes”.
How often is UA4738 on time?
Across 362 flights on BIS → DEN from 2025-07-01 to 2026-06-30, UA4738 arrived within 15 minutes of schedule 88% of the time. The median arrival delay was -19 min, and the worst 10% of flights arrived +20 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 | 316 | 88% |
| 16-30 min | 11 | 3% |
| 31-60 min | 11 | 3% |
| 61-120 min | 4 | 1% |
| 2+ hrs | 17 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 90% | 0 min |
| 2025-08 | 31 | 87% | -6 min |
| 2025-09 | 30 | 93% | -19 min |
| 2025-10 | 31 | 90% | -6 min |
| 2025-11 | 29 | 90% | -19 min |
| 2025-12 | 31 | 77% | +44 min |
| 2026-01 | 31 | 87% | -6 min |
| 2026-02 | 27 | 89% | -7 min |
| 2026-03 | 29 | 86% | -5 min |
| 2026-04 | 29 | 83% | +7 min |
| 2026-05 | 31 | 97% | -12 min |
| 2026-06 | 30 | 87% | +34 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 50 | 88% |
| Tue | 53 | 89% |
| Wed | 51 | 94% |
| Thu | 52 | 87% |
| Fri | 51 | 90% |
| Sat | 51 | 82% |
| Sun | 51 | 86% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…