Flight OddsAA4409 ORD → BOS
American Airlines · Chicago, IL to Boston, MA · 29 flights observed, 2026-03-08 to 2026-04-06 · 867 mi
AA4409 covers more than one route in the data window — the stats below are for ORD → BOS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
66%
Median delay
0 min
90th percentile
+99 min
Cancellation rate
0%
How often is AA4409 on time?
Across 29 flights on ORD → BOS from 2026-03-08 to 2026-04-06, AA4409 arrived within 15 minutes of schedule 66% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +99 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 | 19 | 66% |
| 16-30 min | 1 | 3% |
| 31-60 min | 2 | 7% |
| 61-120 min | 4 | 14% |
| 2+ hrs | 3 | 10% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 24 | 67% | +39 min |
| 2026-04 | 5 | 60% | +24 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 60% |
| Tue | 4 | 50% |
| Wed | 4 | 50% |
| Thu | 4 | 75% |
| Fri | 4 | 75% |
| Sat | 3 | 67% |
| Sun | 5 | 80% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…