Flight OddsAA4104 ROC → ORD
American Airlines · Rochester, NY to Chicago, IL · 113 flights observed, 2025-07-01 to 2025-10-31 · 528 mi
AA4104 covers more than one route in the data window — the stats below are for ROC → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
89%
Median delay
-9 min
90th percentile
+19 min
Cancellation rate
1%
How often is AA4104 on time?
Across 113 flights on ROC → ORD from 2025-07-01 to 2025-10-31, AA4104 arrived within 15 minutes of schedule 89% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +19 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 | 100 | 89% |
| 16-30 min | 4 | 4% |
| 31-60 min | 1 | 1% |
| 61-120 min | 6 | 5% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 87% | +3 min |
| 2025-08 | 28 | 89% | -1 min |
| 2025-09 | 25 | 92% | -7 min |
| 2025-10 | 28 | 89% | +1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 17 | 82% |
| Tue | 14 | 100% |
| Wed | 17 | 94% |
| Thu | 17 | 100% |
| Fri | 18 | 94% |
| Sat | 12 | 83% |
| Sun | 17 | 71% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…