Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Buffalo → Boston via Chicago: arrives on time 35%
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13:54 BUF → 14:55 ORDUA 4381 · United, flown by GoJet · 2h 01m · 73% on time, 2.7% cancelled
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1h 00m layover in Chicago (ORD) · 45 min minimum on one ticket
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15:55 ORD → 19:30 BOSUA 2466 · United · 2h 35m · 49% on time, 2.0% cancelled
Total trip 5h 36m, scheduled departure to arrival. Times are local. Both flew on 55 of the last 56 days.
Makes the connection73%The first flight arrived more than 15 minutes late on 27% of the days it flew: too late for the 45-minute minimum connection on a 1h 00m layover.
Arrives on time35%First flight not cancelled (2.7% are) × connection made (73%) × second flight not cancelled (2.0% are) and within 15 minutes (49%).
Total trip5h 36mBUF 13:54 to BOS 19:30, 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.