Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Buffalo → Boston via Chicago: arrives on time 32%
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16:48 BUF → 18:03 ORDAA 4913 · American, flown by SkyWest · 2h 15m · 58% on time, 10.1% cancelled
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1h 17m 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 09m, scheduled departure to arrival. Times are local. Both flew on 54 of the last 56 days.
Makes the connection64%The first flight arrived more than 32 minutes late on 36% of the days it flew: too late for the 45-minute minimum connection on a 1h 17m layover.
Arrives on time32%First flight not cancelled (10.1% are) × connection made (64%) × second flight not cancelled (1.4% are) and within 15 minutes (56%).
Total trip6h 09mBUF 16:48 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.