Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dulles → Austin via Houston: arrives on time 75%
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17:59 IAD → 20:25 IAHUA 2217 · United · 3h 26m · 72% on time, 0.3% cancelled
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1h 50m layover in Houston (IAH) · 45 min minimum on one ticket
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22:15 IAH → 23:12 AUSUA 1179 · United · 57m · 82% on time, 1.3% cancelled
Total trip 6h 13m, scheduled departure to arrival (Austin is 1 h behind Dulles). Times are local. Both flew on 48 of the last 56 days.
Makes the connection94%The first flight arrived more than 65 minutes late on 6% of the days it flew: too late for the 45-minute minimum connection on a 1h 50m layover.
Arrives on time75%First flight not cancelled (0.3% are) × connection made (94%) × second flight not cancelled (1.3% are) and within 15 minutes (82%).
Total trip6h 13mIAD 17:59 to AUS 23:12, 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.