Schedule: a typical summer Sunday (the flights of Jul 26, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
AMERICAN · FLIGHT AA 3128SCHEDULED · TYPICAL SCHEDULE
AA 3128 · MIA → LGA
departs 5:50 PM ET · arrives 8:58 PM ET
Forecast issued Fri 11:00 AM ET · 55h before departure
Odds over time
Arrive at LGA more than 15 minutes late?
50%chance · ±4 pts– · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to LGA?
On time or early
49%
15–30 min late
11%
30 min–1 hour late
18%
1–2 hours late
12%
Over 2 hours late
8%
Cancelled
2%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.