Schedule: the flights that flew on Thursday, Oct 8, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.

DELTA · FLIGHT DL 518 SCHEDULED · TYPICAL SCHEDULE

Thursday, October 15

DL 518 · ATL → BOS

departs 4:45 PM ET · arrives 7:30 PM ET

Forecast issued Mon 8:00 PM ET · 69h before departure

Arrive at BOS more than 15 minutes late?

33% chance · ±3 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
67%
15–30 min late
20%
30 min–1 hour late
8%
1–2 hours late
4%
Over 2 hours late
2%
Cancelled
<1%

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

What’s moving the odds

↑ Arrivals into BOS at that hour are often late

↑ 4pm departures from ATL are often late

↑ This flight has been late 39% of the time recently

↓ Mostly benign weather forecast at BOS

↓ ATL usually runs smoothly

Weather at each end

ATL (origin) Gusts4 kt Ceilingnone (clear) Visibility10+ mi Precipnone

BOS (destination) Gusts18 kt Ceilingnone (clear) 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.

DL 518 · ATL → BOS

Odds over time

How late will it get to BOS?