Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Detroit → New York via Boston: arrives on time 39%
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14:01 DTW → 16:10 BOSDL 1171 · Delta · 2h 09m · 70% on time, 1.1% cancelled
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55m layover in Boston (BOS) · 45 min minimum on one ticket
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17:05 BOS → 18:43 JFKDL 5814 · Delta, flown by Republic · 1h 38m · 66% on time, 8.9% cancelled
Total trip 4h 42m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.
Makes the connection65%The first flight arrived more than 10 minutes late on 35% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time39%First flight not cancelled (1.1% are) × connection made (65%) × second flight not cancelled (8.9% are) and within 15 minutes (66%).
Total trip4h 42mDTW 14:01 to JFK 18:43, 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.