Schedule: a typical summer Saturday (the flights of Jul 25, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.

AMERICAN · FLIGHT AA 1577 SCHEDULED · TYPICAL SCHEDULE

Saturday, October 3 Tomorrow

AA 1577 · DFW → BOS

departs 12:24 PM CT · arrives 5:13 PM ET

Forecast issued Fri 2:00 AM ET · 35h before departure

Arrive at BOS more than 15 minutes late?

30% chance · ±7 pts +2 pts · 24h

HOW SURE WE ARE Moderate. The odds now blend history with early weather forecasts.

How late will it get to BOS?

On time or early
69%
15–30 min late
11%
30 min–1 hour late
9%
1–2 hours late
4%
Over 2 hours late
4%
Cancelled
2%

Gate arrival compared with the scheduled arrival. The ranges add up to 100%.

What’s moving the odds

↑ This flight has been late 41% of the time recently

↑ Cloud base down to 400 ft, 0.5 in of rain forecast at DFW that day

↑ 12pm departures from DFW are often late

↓ Mostly benign weather forecast at BOS

↓ BOS usually runs smoothly

Weather at each end

DFW (origin) Gusts15 kt Ceiling400 ft Visibility3 mi Precip0.52 in

BOS (destination) Gusts12 kt Ceiling4,500 ft Visibility10+ mi Precipnone

How this resolves

Yes if the gate arrival is more than 15 minutes after the scheduled arrival. Cancelled or diverted flights resolve N/A.

Every question here is display only — there is no betting or money involved. Gate times come from the airline; a cancellation resolves only the “Cancelled?” question, and a diversion voids the delay questions.

AA 1577 · DFW → BOS

Odds over time

How late will it get to BOS?