Schedule: a typical summer Friday (the flights of Jul 31, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
AMERICAN · FLIGHT AA 1643SCHEDULED · TYPICAL SCHEDULE
Today
AA 1643 · LGA → MIA
departs 1:00 PM ET · arrives 4:14 PM ET
Forecast issued Fri 5:00 PM ET · 4h after departure
Odds over time
Arrive at MIA more than 15 minutes late?
23%chance · ±0 pts−5 pts · 24h
HOW SURE WE AREVery high. The odds now come almost entirely from live conditions.
How late will it get to MIA?
On time or early
76%
15–30 min late
1%
30 min–1 hour late
12%
1–2 hours late
5%
Over 2 hours late
4%
Cancelled
2%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.