Flight OddsAmerican Airlines · Dallas/Fort Worth, TX to Missoula, MT · 91 flights observed, 2025-07-01 to 2025-10-05 · 1,320 mi
AA851 covers more than one route in the data window — the stats below are for DFW → MSO, the one it has flown most recently. The others are linked under “Other routes”.
How often is AA851 on time?
Across 91 flights on DFW → MSO from 2025-07-01 to 2025-10-05, AA851 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +43 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 | 75 | 83% |
| 16-30 min | 4 | 4% |
| 31-60 min | 4 | 4% |
| 61-120 min | 4 | 4% |
| 2+ hrs | 3 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 84% | +10 min |
| 2025-08 | 30 | 80% | +10 min |
| 2025-09 | 24 | 83% | -4 min |
| 2025-10 | 5 | 100% | -18 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 13 | 92% |
| Tue | 13 | 85% |
| Wed | 13 | 85% |
| Thu | 13 | 77% |
| Fri | 13 | 85% |
| Sat | 13 | 85% |
| Sun | 12 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…