Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Austin → Dulles via Houston: arrives on time 81%
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05:30 AUS → 06:33 IAHUA 1966 · United · 1h 03m · 94% on time, 2.2% cancelled
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47m layover in Houston (IAH) · 45 min minimum on one ticket
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07:20 IAH → 11:28 IADUA 1549 · United · 3h 08m · 92% on time, 0.6% cancelled
Total trip 4h 58m, scheduled departure to arrival (Dulles is 1 h ahead of Austin). Times are local. Both flew on 51 of the last 56 days.
Makes the connection91%The first flight arrived more than 2 minutes late on 9% of the days it flew: too late for the 45-minute minimum connection on a 47m layover.
Arrives on time81%First flight not cancelled (2.2% are) × connection made (91%) × second flight not cancelled (0.6% are) and within 15 minutes (92%).
Total trip4h 58mAUS 05:30 to IAD 11:28, 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.