Flight OddsAA3905 MSO → ORD
American Airlines · Missoula, MT to Chicago, IL · 60 flights observed, 2025-07-01 to 2025-09-01 · 1,332 mi
AA3905 covers more than one route in the data window — the stats below are for MSO → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
54%
Median delay
+15 min
90th percentile
+68 min
Cancellation rate
0%
How often is AA3905 on time?
Across 60 flights on MSO → ORD from 2025-07-01 to 2025-09-01, AA3905 arrived within 15 minutes of schedule 54% of the time. The median arrival delay was +15 min, and the worst 10% of flights arrived +68 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 | 30 | 54% |
| 16-30 min | 11 | 20% |
| 31-60 min | 8 | 14% |
| 61-120 min | 5 | 9% |
| 2+ hrs | 2 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 28 | 43% | +35 min |
| 2025-08 | 27 | 63% | +16 min |
| 2025-09 | 1 | 100% | -6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 50% |
| Tue | 7 | 71% |
| Wed | 9 | 67% |
| Thu | 8 | 75% |
| Fri | 8 | 38% |
| Sat | 8 | 38% |
| Sun | 8 | 38% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…