Flight OddsUA4665 DEN → BIS
United Airlines · Denver, CO to Bismarck/Mandan, ND · 348 flights observed, 2025-07-01 to 2026-06-30 · 516 mi
UA4665 covers more than one route in the data window — the stats below are for DEN → BIS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
66%
Median delay
+1 min
90th percentile
+92 min
Cancellation rate
1%
How often is UA4665 on time?
Across 348 flights on DEN → BIS from 2025-07-01 to 2026-06-30, UA4665 arrived within 15 minutes of schedule 66% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +92 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 | 228 | 66% |
| 16-30 min | 30 | 9% |
| 31-60 min | 32 | 9% |
| 61-120 min | 30 | 9% |
| 2+ hrs | 25 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 47% | +57 min |
| 2025-08 | 31 | 35% | +47 min |
| 2025-09 | 30 | 57% | +25 min |
| 2025-10 | 31 | 77% | +2 min |
| 2025-11 | 29 | 97% | -9 min |
| 2025-12 | 15 | 67% | +27 min |
| 2026-01 | 31 | 65% | +18 min |
| 2026-02 | 28 | 71% | +39 min |
| 2026-03 | 29 | 93% | -1 min |
| 2026-04 | 30 | 63% | +8 min |
| 2026-05 | 31 | 68% | +24 min |
| 2026-06 | 30 | 57% | +35 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 49 | 63% |
| Tue | 50 | 64% |
| Wed | 49 | 82% |
| Thu | 48 | 60% |
| Fri | 49 | 63% |
| Sat | 50 | 64% |
| Sun | 50 | 66% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…