Flight OddsAA3438 BOS → SDF
American Airlines · Boston, MA to Louisville, KY · 29 flights observed, 2026-05-21 to 2026-06-30 · 829 mi
AA3438 covers more than one route in the data window — the stats below are for BOS → SDF, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
86%
Median delay
-11 min
90th percentile
+24 min
Cancellation rate
0%
How often is AA3438 on time?
Across 29 flights on BOS → SDF from 2026-05-21 to 2026-06-30, AA3438 arrived within 15 minutes of schedule 86% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +24 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 | 25 | 86% |
| 16-30 min | 2 | 7% |
| 31-60 min | 2 | 7% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-05 | 7 | 86% | +1 min |
| 2026-06 | 22 | 86% | -9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 100% |
| Tue | 6 | 83% |
| Wed | 5 | 80% |
| Thu | 6 | 83% |
| Fri | No data | — |
| Sat | No data | — |
| Sun | 6 | 83% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…