Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dulles → Buffalo via Dallas-Fort Worth: arrives on time 70%
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06:14 IAD → 08:35 DFWAA 2617 · American · 3h 21m · 85% on time, 3.3% cancelled
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4h 11m layover in Dallas-Fort Worth (DFW) · 45 min minimum on one ticket
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12:46 DFW → 16:52 BUFAA 1724 · American · 3h 06m · 76% on time, 2.2% cancelled
Total trip 10h 38m, scheduled departure to arrival. Times are local. Both flew on 0 of the last 56 days, too few to list among the best connections.
Makes the connection97%The first flight arrived more than 206 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 4h 11m layover.
Arrives on time70%First flight not cancelled (3.3% are) × connection made (97%) × second flight not cancelled (2.2% are) and within 15 minutes (76%).
Total trip10h 38mIAD 06:14 to BUF 16:52, layover included
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.