Flight OddsAA4421 BOS → IND
American Airlines · Boston, MA to Indianapolis, IN · 15 flights observed, 2025-12-18 to 2026-01-05 · 818 mi
AA4421 covers more than one route in the data window — the stats below are for BOS → IND, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
93%
Median delay
-10 min
90th percentile
+11 min
Cancellation rate
0%
How often is AA4421 on time?
Across 15 flights on BOS → IND from 2025-12-18 to 2026-01-05, AA4421 arrived within 15 minutes of schedule 93% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +11 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 | 14 | 93% |
| 16-30 min | 0 | 0% |
| 31-60 min | 0 | 0% |
| 61-120 min | 1 | 7% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 11 | 91% | +1 min |
| 2026-01 | 4 | 100% | -12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 100% |
| Tue | 2 | 100% |
| Wed | 1 | 100% |
| Thu | 3 | 100% |
| Fri | 3 | 100% |
| Sat | No data | — |
| Sun | 3 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…