Flight OddsAA4921 DAY → ORD
American Airlines · Dayton, OH to Chicago, IL · 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 DAY → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
56%
Median delay
0 min
90th percentile
+170 min
Cancellation rate
10%
How often is AA4921 on time?
Across 30 flights on DAY → ORD from 2026-03-08 to 2026-04-06, AA4921 arrived within 15 minutes of schedule 56% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +170 min or later. 10% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 15 | 56% |
| 16-30 min | 0 | 0% |
| 31-60 min | 2 | 7% |
| 61-120 min | 6 | 22% |
| 2+ hrs | 4 | 15% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 22 | 64% | +49 min |
| 2026-04 | 5 | 20% | +48 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 60% |
| Tue | 4 | 75% |
| Wed | 4 | 25% |
| Thu | 2 | 100% |
| Fri | 4 | 50% |
| Sat | 4 | 50% |
| 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…