Flight OddsAA4251 MIA → JAX
American Airlines · Miami, FL to Jacksonville, FL · 43 flights observed, 2026-04-07 to 2026-05-19 · 335 mi
AA4251 covers more than one route in the data window — the stats below are for MIA → JAX, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
74%
Median delay
-8 min
90th percentile
+30 min
Cancellation rate
0%
How often is AA4251 on time?
Across 43 flights on MIA → JAX from 2026-04-07 to 2026-05-19, AA4251 arrived within 15 minutes of schedule 74% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +30 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 | 32 | 74% |
| 16-30 min | 7 | 16% |
| 31-60 min | 3 | 7% |
| 61-120 min | 1 | 2% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 24 | 79% | -1 min |
| 2026-05 | 19 | 68% | +10 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 6 | 100% |
| Tue | 7 | 86% |
| Wed | 6 | 83% |
| Thu | 6 | 67% |
| Fri | 6 | 67% |
| Sat | 6 | 50% |
| Sun | 6 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…