Flight OddsAA1521 MIA → AUS
American Airlines · Miami, FL to Austin, TX · 154 flights observed, 2025-11-02 to 2026-04-06 · 1,103 mi
AA1521 covers more than one route in the data window — the stats below are for MIA → AUS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
77%
Median delay
-6 min
90th percentile
+36 min
Cancellation rate
2%
How often is AA1521 on time?
Across 154 flights on MIA → AUS from 2025-11-02 to 2026-04-06, AA1521 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +36 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 | 117 | 77% |
| 16-30 min | 16 | 11% |
| 31-60 min | 8 | 5% |
| 61-120 min | 7 | 5% |
| 2+ hrs | 3 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 28 | 75% | 0 min |
| 2025-12 | 30 | 80% | +28 min |
| 2026-01 | 28 | 64% | +4 min |
| 2026-02 | 28 | 96% | -5 min |
| 2026-03 | 31 | 71% | +1 min |
| 2026-04 | 6 | 83% | -10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 22 | 82% |
| Tue | 22 | 91% |
| Wed | 22 | 82% |
| Thu | 20 | 85% |
| Fri | 22 | 64% |
| Sat | 21 | 76% |
| Sun | 22 | 64% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…