Schedule: the flights that flew on Tuesday, Oct 6, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.

DELTA · FLIGHT DL 459 SCHEDULED · TYPICAL SCHEDULE

Tuesday, October 13

DL 459 · SEA → BOS

departs 7:29 AM PT · arrives 4:00 PM ET

Forecast issued Sun 12:00 PM ET · 46h before departure

Arrive at BOS more than 15 minutes late?

22% chance · ±1 pts +7 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
78%
15–30 min late
8%
30 min–1 hour late
10%
1–2 hours late
2%
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

↑ Cloud base down to 300 ft forecast at BOS that day

↑ Arrivals into BOS at that hour are often late

↑ BOS is prone to delays

↓ Tuesdays in October are usually quieter than average

↓ Mostly benign weather forecast at SEA

Weather at each end

SEA (origin) Gusts5 kt Ceiling2,500 ft Visibility10+ mi Precipnone

BOS (destination) Gusts17 kt Ceiling300 ft Visibility4 mi Precip0.01 in

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 459 · SEA → BOS

Odds over time

How late will it get to BOS?