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.

DELTA · FLIGHT DL 522 SCHEDULED · TYPICAL SCHEDULE

Thursday, October 1 Tomorrow

DL 522 · FLL → BOS

departs 8:51 PM ET · arrives 12:16 AM ET

Forecast issued Wed 10:00 AM ET · 35h before departure

Arrive at BOS more than 15 minutes late?

39% chance · ±4 pts +8 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
59%
15–30 min late
12%
30 min–1 hour late
13%
1–2 hours late
7%
Over 2 hours late
6%
Cancelled
3%

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

What’s moving the odds

↑ 0.7 in of rain, thunderstorms forecast at FLL that day

↑ 8pm departures from FLL are often late

↑ This flight has been late 37% of the time recently

↓ Thursdays in October are usually quieter than average

↓ FLL usually runs smoothly

Weather at each end

FLL (origin) Gusts24 kt Ceiling3,500 ft Visibility7 mi Precip0.72 in

BOS (destination) Gusts16 kt Ceilingnone (clear) Visibility9 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 522 · FLL → BOS

Odds over time

How late will it get to BOS?