Flight OddsAA1204 MIA → ORD
American Airlines · Miami, FL to Chicago, IL · 55 flights observed, 2025-11-02 to 2026-03-07 · 1,197 mi
AA1204 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
85%
Median delay
-9 min
90th percentile
+19 min
Cancellation rate
0%
How often is AA1204 on time?
Across 55 flights on MIA → ORD from 2025-11-02 to 2026-03-07, AA1204 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +19 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 | 47 | 85% |
| 16-30 min | 5 | 9% |
| 31-60 min | 0 | 0% |
| 61-120 min | 3 | 5% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 29 | 86% | -7 min |
| 2025-12 | 2 | 100% | -15 min |
| 2026-02 | 17 | 88% | -3 min |
| 2026-03 | 7 | 71% | +9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 75% |
| Tue | 8 | 88% |
| Wed | 7 | 100% |
| Thu | 8 | 88% |
| Fri | 8 | 88% |
| Sat | 8 | 100% |
| Sun | 8 | 63% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…