Flight OddsAA4156 ORD → DAY
American Airlines · Chicago, IL to Dayton, OH · 27 flights observed, 2025-11-20 to 2025-12-17 · 240 mi
AA4156 covers more than one route in the data window — the stats below are for ORD → DAY, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
67%
Median delay
-4 min
90th percentile
+121 min
Cancellation rate
0%
How often is AA4156 on time?
Across 27 flights on ORD → DAY from 2025-11-20 to 2025-12-17, AA4156 arrived within 15 minutes of schedule 67% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +121 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 | 18 | 67% |
| 16-30 min | 0 | 0% |
| 31-60 min | 1 | 4% |
| 61-120 min | 5 | 19% |
| 2+ hrs | 3 | 11% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 10 | 70% | +40 min |
| 2025-12 | 17 | 65% | +28 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 4 | 75% |
| Tue | 4 | 75% |
| Wed | 4 | 50% |
| Thu | 3 | 67% |
| Fri | 4 | 75% |
| Sat | 4 | 75% |
| Sun | 4 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…