Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Denver → Greenville via Houston: arrives on time 66%
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07:42 DEN → 11:15 IAHUA 1720 · United · 2h 33m · 92% on time, 0.3% cancelled
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1h 15m layover in Houston (IAH) · 45 min minimum on one ticket
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12:30 IAH → 15:59 GSPUA 6139 · United, flown by Mesa · 2h 29m · 69% on time, 0.0% cancelled
Total trip 6h 17m, scheduled departure to arrival (Greenville is 2 h ahead of Denver). Times are local. Both flew on 56 of the last 56 days.
Makes the connection96%The first flight arrived more than 30 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 1h 15m layover.
Arrives on time66%First flight not cancelled (0.3% are) × connection made (96%) × second flight not cancelled (0.0% are) and within 15 minutes (69%).
Total trip6h 17mDEN 07:42 to GSP 15:59, 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.