Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dulles → Nashville via Chicago: arrives on time 28%
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17:42 IAD → 18:50 ORDUA 2497 · United · 2h 08m · 48% on time, 1.1% cancelled
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1h 07m layover in Chicago (ORD) · 45 min minimum on one ticket
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19:57 ORD → 21:45 BNAUA 2063 · United · 1h 48m · 51% on time, 5.6% cancelled
Total trip 5h 03m, scheduled departure to arrival (Nashville is 1 h behind Dulles). Times are local. Both flew on 55 of the last 56 days.
Makes the connection59%The first flight arrived more than 22 minutes late on 41% of the days it flew: too late for the 45-minute minimum connection on a 1h 07m layover.
Arrives on time28%First flight not cancelled (1.1% are) × connection made (59%) × second flight not cancelled (5.6% are) and within 15 minutes (51%).
Total trip5h 03mIAD 17:42 to BNA 21:45, 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.