Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Austin → St Louis via Houston: arrives on time 51%
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16:10 AUS → 17:25 IAHUA 4004 · United, flown by Mesa · 1h 15m · 73% on time, 0.0% cancelled
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1h 03m layover in Houston (IAH) · 45 min minimum on one ticket
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18:28 IAH → 20:40 STLUA 4573 · United, flown by GoJet · 2h 12m · 72% on time, 3.3% cancelled
Total trip 4h 30m, scheduled departure to arrival. Times are local. Both flew on 30 of the last 56 days.
Makes the connection73%The first flight arrived more than 18 minutes late on 27% of the days it flew: too late for the 45-minute minimum connection on a 1h 03m layover.
Arrives on time51%First flight not cancelled (0.0% are) × connection made (73%) × second flight not cancelled (3.3% are) and within 15 minutes (72%).
Total trip4h 30mAUS 16:10 to STL 20:40, layover included
Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.