Flight OddsAA2539 MIA → BOS
American Airlines · Miami, FL to Boston, MA · 325 flights observed, 2025-07-01 to 2026-06-30 · 1,258 mi
AA2539 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
61%
Median delay
+5 min
90th percentile
+85 min
Cancellation rate
2%
How often is AA2539 on time?
Across 325 flights on MIA → BOS from 2025-07-01 to 2026-06-30, AA2539 arrived within 15 minutes of schedule 61% of the time. The median arrival delay was +5 min, and the worst 10% of flights arrived +85 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 192 | 61% |
| 16-30 min | 27 | 9% |
| 31-60 min | 46 | 15% |
| 61-120 min | 33 | 10% |
| 2+ hrs | 19 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 63% | +23 min |
| 2025-08 | 31 | 52% | +69 min |
| 2025-09 | 26 | 50% | +24 min |
| 2025-10 | 30 | 70% | +16 min |
| 2025-11 | 1 | 100% | -18 min |
| 2025-12 | 29 | 76% | +3 min |
| 2026-01 | 24 | 63% | +57 min |
| 2026-02 | 25 | 68% | +23 min |
| 2026-03 | 30 | 40% | +32 min |
| 2026-04 | 30 | 63% | +10 min |
| 2026-05 | 31 | 65% | +12 min |
| 2026-06 | 30 | 57% | +26 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 44 | 57% |
| Tue | 43 | 60% |
| Wed | 47 | 64% |
| Thu | 48 | 58% |
| Fri | 47 | 55% |
| Sat | 43 | 70% |
| Sun | 45 | 60% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…