Flight OddsAA1431 MIA → ORD
American Airlines · Miami, FL to Chicago, IL · 165 flights observed, 2025-07-01 to 2026-06-30 · 1,197 mi
AA1431 covers more than one route in the data window — the stats below are for MIA → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
90%
Median delay
-15 min
90th percentile
+20 min
Cancellation rate
1%
How often is AA1431 on time?
Across 165 flights on MIA → ORD from 2025-07-01 to 2026-06-30, AA1431 arrived within 15 minutes of schedule 90% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived +20 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 | 146 | 90% |
| 16-30 min | 6 | 4% |
| 31-60 min | 6 | 4% |
| 61-120 min | 1 | 1% |
| 2+ hrs | 4 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 84% | +11 min |
| 2025-08 | 30 | 83% | -5 min |
| 2025-09 | 30 | 90% | -9 min |
| 2025-10 | 31 | 94% | +0 min |
| 2025-11 | 1 | 100% | +4 min |
| 2026-05 | 11 | 91% | -11 min |
| 2026-06 | 29 | 97% | -14 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 23 | 91% |
| Tue | 24 | 100% |
| Wed | 23 | 96% |
| Thu | 23 | 91% |
| Fri | 24 | 92% |
| Sat | 24 | 83% |
| Sun | 22 | 73% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…