Flight OddsORD → MSO United Airlines
United Airlines · Chicago, IL to Missoula, MT · 152 flights, 2025-07-01 to 2026-06-30 · aggregated across 5 flight numbers
On-time arrival
87%
Median delay
-11 min
90th percentile
+27 min
Cancellation rate
1%
How on-time is United Airlines from ORD to MSO?
Across every United Airlines flight number on ORD → MSO (152 flights, 2025-07-01 to 2026-06-30), 87% arrived within 15 minutes of schedule. Median arrival delay -11 min; the worst 10% ran +27 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 131 | 87% |
| 16-30 min | 6 | 4% |
| 31-60 min | 8 | 5% |
| 61-120 min | 4 | 3% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 87% | -5 min |
| 2025-08 | 31 | 77% | 0 min |
| 2025-09 | 23 | 91% | -6 min |
| 2025-10 | 25 | 84% | +11 min |
| 2026-05 | 11 | 100% | -20 min |
| 2026-06 | 29 | 93% | -15 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 22 | 82% |
| Tue | 22 | 100% |
| Wed | 21 | 81% |
| Thu | 22 | 91% |
| Fri | 21 | 86% |
| Sat | 21 | 90% |
| Sun | 21 | 81% |
UA flight numbers on ORD → MSO
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…