Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dulles → Nashville via Houston: arrives on time 69%
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08:40 IAD → 10:59 IAHUA 1524 · United · 3h 19m · 89% on time, 0.6% cancelled
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56m layover in Houston (IAH) · 45 min minimum on one ticket
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11:55 IAH → 14:02 BNAUA 1318 · United · 2h 07m · 79% on time, 0.0% cancelled
Total trip 6h 22m, scheduled departure to arrival (Nashville is 1 h behind Dulles). Times are local. Both flew on 48 of the last 56 days.
Makes the connection87%The first flight arrived more than 11 minutes late on 13% of the days it flew: too late for the 45-minute minimum connection on a 56m layover.
Arrives on time69%First flight not cancelled (0.6% are) × connection made (87%) × second flight not cancelled (0.0% are) and within 15 minutes (79%).
Total trip6h 22mIAD 08:40 to BNA 14:02, 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.