AA1999 MIA → SJU
American Airlines · Miami, FL to San Juan, PR · 51 flights observed, 2026-02-12 to 2026-04-06 · 1,045 mi
AA1999 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
47%
Median delay
+21 min
90th percentile
+111 min
Cancellation rate
0%
How often is AA1999 on time?
Across 51 flights on MIA → SJU from 2026-02-12 to 2026-04-06, AA1999 arrived within 15 minutes of schedule 47% of the time. The median arrival delay was +21 min, and the worst 10% of flights arrived +111 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 | 24 | 47% |
| 16-30 min | 10 | 20% |
| 31-60 min | 6 | 12% |
| 61-120 min | 6 | 12% |
| 2+ hrs | 5 | 10% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-02 | 15 | 27% | +45 min |
| 2026-03 | 30 | 57% | +24 min |
| 2026-04 | 6 | 50% | +24 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 38% |
| Tue | 4 | 75% |
| Wed | 7 | 86% |
| Thu | 8 | 50% |
| Fri | 8 | 50% |
| Sat | 8 | 13% |
| Sun | 8 | 38% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…