Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
New York → Buffalo via Detroit: arrives on time 43%
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19:29 JFK → 21:56 DTWDL 1253 · Delta · 2h 27m · 71% on time, 11.6% cancelled
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54m layover in Detroit (DTW) · 45 min minimum on one ticket
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22:50 DTW → 23:58 BUFDL 978 · Delta · 1h 09m · 74% on time, 1.4% cancelled
Total trip 4h 30m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.
Makes the connection68%The first flight arrived more than 9 minutes late on 32% of the days it flew: too late for the 45-minute minimum connection on a 54m layover.
Arrives on time43%First flight not cancelled (11.6% are) × connection made (68%) × second flight not cancelled (1.4% are) and within 15 minutes (74%).
Total trip4h 30mJFK 19:29 to BUF 23:58, 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.