Flight OddsAA4199 ORD → MSO
American Airlines · Chicago, IL to Missoula, MT · 154 flights observed, 2025-12-18 to 2026-05-20 · 1,332 mi
AA4199 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
68%
Median delay
+2 min
90th percentile
+52 min
Cancellation rate
0%
How often is AA4199 on time?
Across 154 flights on ORD → MSO from 2025-12-18 to 2026-05-20, AA4199 arrived within 15 minutes of schedule 68% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +52 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 | 104 | 68% |
| 16-30 min | 18 | 12% |
| 31-60 min | 15 | 10% |
| 61-120 min | 12 | 8% |
| 2+ hrs | 3 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 13 | 31% | +28 min |
| 2026-01 | 31 | 71% | +19 min |
| 2026-02 | 28 | 54% | +14 min |
| 2026-03 | 30 | 67% | +18 min |
| 2026-04 | 30 | 80% | -8 min |
| 2026-05 | 20 | 95% | -15 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 22 | 68% |
| Tue | 22 | 82% |
| Wed | 22 | 77% |
| Thu | 22 | 64% |
| Fri | 20 | 45% |
| Sat | 22 | 73% |
| Sun | 22 | 68% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…