Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Houston → Greenville via Dulles: arrives on time 77%
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07:20 IAH → 11:28 IADUA 1549 · United · 3h 08m · 92% on time, 0.6% cancelled
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1h 12m layover in Dulles (IAD) · 45 min minimum on one ticket
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12:40 IAD → 14:20 GSPUA 4962 · United, flown by CommuteAir · 1h 40m · 81% on time, 0.7% cancelled
Total trip 6h 00m, scheduled departure to arrival (Greenville is 1 h ahead of Houston). Times are local. Both flew on 48 of the last 56 days.
Makes the connection96%The first flight arrived more than 27 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 1h 12m layover.
Arrives on time77%First flight not cancelled (0.6% are) × connection made (96%) × second flight not cancelled (0.7% are) and within 15 minutes (81%).
Total trip6h 00mIAH 07:20 to GSP 14:20, 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.