Flight OddsAA1870 MIA → SJU
American Airlines · Miami, FL to San Juan, PR · 31 flights observed, 2025-11-02 to 2025-12-02 · 1,045 mi
AA1870 covers more than one route in the data window — the stats below are for MIA → SJU, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
65%
Median delay
+1 min
90th percentile
+89 min
Cancellation rate
0%
How often is AA1870 on time?
Across 31 flights on MIA → SJU from 2025-11-02 to 2025-12-02, AA1870 arrived within 15 minutes of schedule 65% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +89 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 | 20 | 65% |
| 16-30 min | 3 | 10% |
| 31-60 min | 2 | 6% |
| 61-120 min | 4 | 13% |
| 2+ hrs | 2 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 29 | 66% | +22 min |
| 2025-12 | 2 | 50% | +12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 40% |
| Tue | 5 | 100% |
| Wed | 4 | 75% |
| Thu | 4 | 50% |
| Fri | 4 | 75% |
| Sat | 4 | 50% |
| Sun | 5 | 60% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…