MIA → BOS American Airlines
American Airlines · Miami, FL to Boston, MA · 2,252 flights, 2025-07-01 to 2026-06-30 · aggregated across 34 flight numbers
On-time arrival
71%
Median delay
-3 min
90th percentile
+65 min
Cancellation rate
2%
How on-time is American Airlines from MIA to BOS?
Across every American Airlines flight number on MIA → BOS (2,252 flights, 2025-07-01 to 2026-06-30), 71% arrived within 15 minutes of schedule. Median arrival delay -3 min; the worst 10% ran +65 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,578 | 71% |
| 16-30 min | 177 | 8% |
| 31-60 min | 208 | 9% |
| 61-120 min | 161 | 7% |
| 2+ hrs | 86 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 180 | 63% | +24 min |
| 2025-08 | 185 | 66% | +23 min |
| 2025-09 | 148 | 64% | +18 min |
| 2025-10 | 178 | 65% | +21 min |
| 2025-11 | 171 | 78% | +5 min |
| 2025-12 | 186 | 77% | +5 min |
| 2026-01 | 188 | 78% | +16 min |
| 2026-02 | 172 | 77% | +12 min |
| 2026-03 | 187 | 64% | +18 min |
| 2026-04 | 201 | 74% | +10 min |
| 2026-05 | 212 | 77% | +5 min |
| 2026-06 | 202 | 73% | +11 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 309 | 69% |
| Tue | 316 | 71% |
| Wed | 315 | 73% |
| Thu | 320 | 72% |
| Fri | 322 | 71% |
| Sat | 315 | 78% |
| Sun | 313 | 66% |
AA flight numbers on MIA → BOS
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…