AA4311 DAY → ORD
American Airlines · Dayton, OH to Chicago, IL · 70 flights observed, 2025-12-29 to 2026-05-06 · 240 mi
AA4311 covers more than one route in the data window — the stats below are for DAY → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
73%
Median delay
-5 min
90th percentile
+68 min
Cancellation rate
4%
How often is AA4311 on time?
Across 70 flights on DAY → ORD from 2025-12-29 to 2026-05-06, AA4311 arrived within 15 minutes of schedule 73% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +68 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 49 | 73% |
| 16-30 min | 3 | 4% |
| 31-60 min | 7 | 10% |
| 61-120 min | 6 | 9% |
| 2+ hrs | 2 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 1 | 100% | +11 min |
| 2026-02 | 12 | 75% | +0 min |
| 2026-03 | 20 | 85% | -4 min |
| 2026-04 | 28 | 61% | +25 min |
| 2026-05 | 6 | 83% | +3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 13 | 69% |
| Tue | 5 | 60% |
| Wed | 12 | 67% |
| Thu | 11 | 82% |
| Fri | 11 | 64% |
| Sat | 4 | 100% |
| Sun | 11 | 82% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…