Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Houston → Greenville via Atlanta: arrives on time 77%
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11:55 IAH → 15:16 ATLUA 4079 · United, flown by Mesa · 2h 21m · 79% on time, 0.0% cancelled
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4h 00m layover in Atlanta (ATL) · 90 min minimum on separate tickets
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19:16 ATL → 20:20 GSPDL 2319 · Delta · 1h 04m · 81% on time, 3.5% cancelled
Total trip 7h 25m, 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 connection98%The first flight arrived more than 150 minutes late on 2% of the days it flew: too late for the 90-minute minimum connection on a 4h 00m layover.
Arrives on time77%First flight not cancelled (0.0% are) × connection made (98%) × second flight not cancelled (3.5% are) and within 15 minutes (81%).
Total trip7h 25mIAH 11:55 to GSP 20:20, 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.