Flight OddsAA3905 ORD → MSO
American Airlines · Chicago, IL to Missoula, MT · 88 flights observed, 2025-07-01 to 2025-10-05 · 1,332 mi
AA3905 covers more than one route in the data window — the stats below are for ORD → MSO, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
82%
Median delay
-6 min
90th percentile
+26 min
Cancellation rate
0%
How often is AA3905 on time?
Across 88 flights on ORD → MSO from 2025-07-01 to 2025-10-05, AA3905 arrived within 15 minutes of schedule 82% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +26 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 72 | 82% |
| 16-30 min | 9 | 10% |
| 31-60 min | 4 | 5% |
| 61-120 min | 3 | 3% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 73% | +9 min |
| 2025-08 | 29 | 83% | +1 min |
| 2025-09 | 24 | 88% | -3 min |
| 2025-10 | 5 | 100% | -7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 13 | 77% |
| Tue | 11 | 82% |
| Wed | 13 | 85% |
| Thu | 13 | 85% |
| Fri | 12 | 92% |
| Sat | 13 | 77% |
| Sun | 13 | 77% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…