Flight OddsAA4921 ORD → DAY
American Airlines · Chicago, IL to Dayton, OH · 30 flights observed, 2026-03-08 to 2026-04-06 · 240 mi
AA4921 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
55%
Median delay
+13 min
90th percentile
+149 min
Cancellation rate
3%
How often is AA4921 on time?
Across 30 flights on ORD → DAY from 2026-03-08 to 2026-04-06, AA4921 arrived within 15 minutes of schedule 55% of the time. The median arrival delay was +13 min, and the worst 10% of flights arrived +149 min or later. 3% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 16 | 55% |
| 16-30 min | 3 | 10% |
| 31-60 min | 3 | 10% |
| 61-120 min | 3 | 10% |
| 2+ hrs | 4 | 14% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 23 | 57% | +50 min |
| 2026-04 | 6 | 50% | +29 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 40% |
| Tue | 4 | 75% |
| Wed | 4 | 25% |
| Thu | 4 | 100% |
| Fri | 4 | 50% |
| Sat | 4 | 75% |
| Sun | 4 | 25% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…