Flight OddsAA4224 STL → BOS
American Airlines · St. Louis, MO to Boston, MA · 43 flights observed, 2026-04-07 to 2026-05-20 · 1,047 mi
AA4224 covers more than one route in the data window — the stats below are for STL → BOS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
67%
Median delay
-15 min
90th percentile
+137 min
Cancellation rate
0%
How often is AA4224 on time?
Across 43 flights on STL → BOS from 2026-04-07 to 2026-05-20, AA4224 arrived within 15 minutes of schedule 67% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived +137 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 | 29 | 67% |
| 16-30 min | 4 | 9% |
| 31-60 min | 3 | 7% |
| 61-120 min | 2 | 5% |
| 2+ hrs | 5 | 12% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 23 | 74% | +13 min |
| 2026-05 | 20 | 60% | +32 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 50% |
| Tue | 7 | 100% |
| Wed | 7 | 43% |
| Thu | 5 | 40% |
| Fri | 6 | 67% |
| Sat | 6 | 100% |
| Sun | 6 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…