Flight OddsAA1397 BOS → MIA
American Airlines · Boston, MA to Miami, FL · 167 flights observed, 2025-07-01 to 2026-05-20 · 1,258 mi
AA1397 covers more than one route in the data window — the stats below are for BOS → MIA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
68%
Median delay
+2 min
90th percentile
+67 min
Cancellation rate
1%
How often is AA1397 on time?
Across 167 flights on BOS → MIA from 2025-07-01 to 2026-05-20, AA1397 arrived within 15 minutes of schedule 68% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +67 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 112 | 68% |
| 16-30 min | 18 | 11% |
| 31-60 min | 15 | 9% |
| 61-120 min | 13 | 8% |
| 2+ hrs | 7 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 28 | 54% | +31 min |
| 2025-08 | 31 | 81% | +10 min |
| 2025-09 | 30 | 77% | +12 min |
| 2025-10 | 31 | 71% | +13 min |
| 2025-11 | 1 | 0% | +20 min |
| 2026-04 | 24 | 63% | +4 min |
| 2026-05 | 20 | 60% | +19 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 22 | 68% |
| Tue | 25 | 76% |
| Wed | 25 | 80% |
| Thu | 23 | 57% |
| Fri | 23 | 65% |
| Sat | 24 | 58% |
| Sun | 23 | 70% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…