Schedule: a typical Thursday (the flights of Jul 30, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.

AMERICAN · FLIGHT AA 3107 SCHEDULED · TYPICAL SCHEDULE

Thursday, October 1 Tomorrow

AA 3107 · ORD → BOS

departs 7:29 PM CT · arrives 11:06 PM ET

Forecast issued Wed 8:00 AM ET · 36h before departure

Arrive at BOS more than 15 minutes late?

68% chance · ±5 pts +5 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
31%
15–30 min late
29%
30 min–1 hour late
19%
1–2 hours late
13%
Over 2 hours late
5%
Cancelled
2%

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

What’s moving the odds

↑ Cloud base down to 500 ft, visibility down to 2 mi, 1.2 in of rain forecast at ORD that day

↑ 7pm departures from ORD are often late

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

↓ Mostly benign weather forecast at BOS

↓ BOS usually runs smoothly

Weather at each end

ORD (origin) Gusts12 kt Ceiling500 ft Visibility2 mi Precip1.23 in

BOS (destination) Gusts16 kt Ceilingnone (clear) Visibility8 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 3107 · ORD → BOS

Odds over time

How late will it get to BOS?