Flight OddsAA3867 BOS → STL
American Airlines · Boston, MA to St. Louis, MO · 26 flights observed, 2026-03-08 to 2026-04-06 · 1,047 mi
AA3867 covers more than one route in the data window — the stats below are for BOS → STL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
72%
Median delay
-15 min
90th percentile
+122 min
Cancellation rate
0%
How often is AA3867 on time?
Across 26 flights on BOS → STL from 2026-03-08 to 2026-04-06, AA3867 arrived within 15 minutes of schedule 72% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived +122 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 | 18 | 72% |
| 16-30 min | 2 | 8% |
| 31-60 min | 0 | 0% |
| 61-120 min | 2 | 8% |
| 2+ hrs | 3 | 12% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 20 | 75% | +8 min |
| 2026-04 | 5 | 60% | +32 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 40% |
| Tue | 4 | 100% |
| Wed | 4 | 50% |
| Thu | 4 | 75% |
| Fri | 4 | 100% |
| Sat | No data | — |
| Sun | 4 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…