Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
New York → Boston via Chicago: arrives on time 38%
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16:00 LGA → 18:08 ORDAA 396 · American · 3h 08m · 64% on time, 4.6% cancelled
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1h 12m layover in Chicago (ORD) · 45 min minimum on one ticket
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19:20 ORD → 22:53 BOSAA 3107 · American · 2h 37m · 56% on time, 1.4% cancelled
Total trip 6h 57m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.
Makes the connection71%The first flight arrived more than 27 minutes late on 29% of the days it flew: too late for the 45-minute minimum connection on a 1h 12m layover.
Arrives on time38%First flight not cancelled (4.6% are) × connection made (71%) × second flight not cancelled (1.4% are) and within 15 minutes (56%).
Total trip6h 57mLGA 16:00 to BOS 22:53, layover included
Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.