Flight OddsUA4663 DEN → BIS
United Airlines · Denver, CO to Bismarck/Mandan, ND · 363 flights observed, 2025-07-01 to 2026-06-30 · 516 mi
UA4663 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
84%
Median delay
-8 min
90th percentile
+25 min
Cancellation rate
1%
How often is UA4663 on time?
Across 363 flights on DEN → BIS from 2025-07-01 to 2026-06-30, UA4663 arrived within 15 minutes of schedule 84% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +25 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 | 304 | 84% |
| 16-30 min | 24 | 7% |
| 31-60 min | 13 | 4% |
| 61-120 min | 13 | 4% |
| 2+ hrs | 6 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 77% | +9 min |
| 2025-08 | 31 | 81% | +2 min |
| 2025-09 | 30 | 87% | +1 min |
| 2025-10 | 31 | 74% | +5 min |
| 2025-11 | 29 | 97% | -8 min |
| 2025-12 | 30 | 80% | +8 min |
| 2026-01 | 30 | 87% | +7 min |
| 2026-02 | 27 | 89% | -3 min |
| 2026-03 | 31 | 74% | +9 min |
| 2026-04 | 29 | 83% | -1 min |
| 2026-05 | 31 | 90% | -11 min |
| 2026-06 | 30 | 97% | -6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 52 | 71% |
| Tue | 52 | 92% |
| Wed | 51 | 90% |
| Thu | 50 | 82% |
| Fri | 51 | 92% |
| Sat | 52 | 85% |
| Sun | 52 | 79% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…