Flight OddsAmerican Airlines · Salt Lake City, UT to Miami, FL · 110 flights observed, 2025-12-18 to 2026-04-06 · 2,088 mi
AA3257 covers more than one route in the data window — the stats below are for SLC → MIA, the one it has flown most recently. The others are linked under “Other routes”.
How often is AA3257 on time?
Across 110 flights on SLC → MIA from 2025-12-18 to 2026-04-06, AA3257 arrived within 15 minutes of schedule 78% of the time. The median arrival delay was -14 min, and the worst 10% of flights arrived +66 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 | 86 | 78% |
| 16-30 min | 4 | 4% |
| 31-60 min | 8 | 7% |
| 61-120 min | 7 | 6% |
| 2+ hrs | 5 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 14 | 93% | -15 min |
| 2026-01 | 31 | 84% | -10 min |
| 2026-02 | 28 | 82% | +2 min |
| 2026-03 | 31 | 68% | +22 min |
| 2026-04 | 6 | 50% | +24 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 16 | 88% |
| Tue | 15 | 93% |
| Wed | 15 | 87% |
| Thu | 16 | 75% |
| Fri | 16 | 69% |
| Sat | 16 | 75% |
| Sun | 16 | 63% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…