Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Houston → Miami via Atlanta: arrives on time 69%
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06:10 IAH → 09:41 ATLF9 1404 · Frontier · 2h 26m · 68% on time, 2.5% cancelled
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2h 06m layover in Atlanta (ATL) · 45 min minimum on one ticket
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11:47 ATL → 13:53 MIAF9 4406 · Frontier · 2h 02m · 74% on time, 0.9% cancelled
Total trip 6h 39m, scheduled departure to arrival (Miami is 1 h ahead of Houston). Times are local. Both flew on 56 of the last 56 days.
Makes the connection96%The first flight arrived more than 81 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 2h 06m layover.
Arrives on time69%First flight not cancelled (2.5% are) × connection made (96%) × second flight not cancelled (0.9% are) and within 15 minutes (74%).
Total trip6h 39mIAH 06:10 to MIA 13:53, 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.