Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Huntsville → Dulles via Houston: arrives on time 69%
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11:15 HSV → 13:21 IAHUA 4909 · United, flown by CommuteAir · 2h 06m · 87% on time, 0.0% cancelled
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1h 10m layover in Houston (IAH) · 45 min minimum on one ticket
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14:31 IAH → 18:50 IADUA 1478 · United · 3h 19m · 76% on time, 0.0% cancelled
Total trip 6h 35m, scheduled departure to arrival (Dulles is 1 h ahead of Huntsville). Times are local. Both flew on 29 of the last 56 days.
Makes the connection91%The first flight arrived more than 25 minutes late on 9% of the days it flew: too late for the 45-minute minimum connection on a 1h 10m layover.
Arrives on time69%First flight not cancelled (0.0% are) × connection made (91%) × second flight not cancelled (0.0% are) and within 15 minutes (76%).
Total trip6h 35mHSV 11:15 to IAD 18:50, 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.