Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Denver → Buffalo via Boston: arrives on time 50%
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10:24 DEN → 16:25 BOSB6 494 · JetBlue · 4h 02m · 67% on time, 4.0% cancelled
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1h 15m layover in Boston (BOS) · 45 min minimum on one ticket
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17:40 BOS → 19:19 BUFB6 1115 · JetBlue · 1h 39m · 72% on time, 2.8% cancelled
Total trip 6h 55m, scheduled departure to arrival (Buffalo is 2 h ahead of Denver). Times are local. Both flew on 53 of the last 56 days.
Makes the connection75%The first flight arrived more than 30 minutes late on 25% of the days it flew: too late for the 45-minute minimum connection on a 1h 15m layover.
Arrives on time50%First flight not cancelled (4.0% are) × connection made (75%) × second flight not cancelled (2.8% are) and within 15 minutes (72%).
Total trip6h 55mDEN 10:24 to BUF 19:19, 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.