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Any day
Thursday, October 8 · typical odds for a Thursday (too early for a weather forecast) · issued Sun 12:00 PM ET · connections flying that day

Thu, Oct 8: one nonstop, B6 1151 at 15:33, with a 30% chance of arriving 15+ min late.

Nonstops that day

All 1 nonstop →
B6 1151 JetBlue Flight history → ACK 15:33 BOS 16:26 30% 23% 2.2% 67%

Best connections that day, one ticket

Ranked by chance you reach Boston on time, from each leg’s forecast for the day. Total trip = scheduled departure to arrival. Layovers up to 4 hours. Pick a connection for its 12-month details.

JetBlueDetails → ACK 10:52 → DCA 12:29B6 2493 1h 56m Washington DCA 14:25 → BOS 16:00B6 1354 5h 08m 92% 58%
JetBlueDetails → ACK 12:02 → JFK 13:08B6 92 2h 32m New York JFK 15:40 → BOS 17:07B6 618 5h 05m 96% 55%
UnitedDetails → ACK 10:53 → EWR 12:39UA 4182 · flown by GoJet 3h 51m Newark EWR 16:30 → BOS 17:43UA 2433 6h 50m 93% 50%
How these are worked out. Each flight’s odds are our forecast for that day (typical odds until the weather forecast covers it); flights of airlines we don’t forecast yet use their 12-month record and are marked. Makes the connection: the first flight’s 12-month lateness curve, scaled so its chance of arriving 15+ min late matches the day’s forecast, at the layover minus the 45-minute minimum (90 on separate tickets). Arrives on time: first flight not cancelled × connection made × second flight not cancelled × second flight within 15 minutes, each from the day’s forecast.

About this data: forecast odds from our model for Thu, Oct 8 (newest published update); 12-month records from US DOT on-time data, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. JSON