Flight OddsAA891 MIA → BOS
American Airlines · Miami, FL to Boston, MA · 108 flights observed, 2025-12-18 to 2026-04-06 · 1,258 mi
AA891 covers more than one route in the data window — the stats below are for MIA → BOS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
91%
Median delay
-9 min
90th percentile
+8 min
Cancellation rate
4%
How often is AA891 on time?
Across 108 flights on MIA → BOS from 2025-12-18 to 2026-04-06, AA891 arrived within 15 minutes of schedule 91% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +8 min or later. 4% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 95 | 91% |
| 16-30 min | 5 | 5% |
| 31-60 min | 2 | 2% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 2 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 12 | 67% | +6 min |
| 2026-01 | 29 | 90% | -8 min |
| 2026-02 | 26 | 100% | -9 min |
| 2026-03 | 31 | 97% | -3 min |
| 2026-04 | 6 | 83% | +71 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 14 | 79% |
| Tue | 14 | 86% |
| Wed | 14 | 100% |
| Thu | 15 | 100% |
| Fri | 16 | 94% |
| Sat | 16 | 88% |
| Sun | 15 | 93% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…