Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Austin → Ontario via Houston: arrives on time 77%
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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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3h 06m layover in Houston (IAH) · 45 min minimum on one ticket
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20:31 IAH → 21:55 ONTUA 1563 · United · 3h 24m · 79% on time, 0.0% cancelled
Total trip 7h 45m, scheduled departure to arrival (Ontario is 2 h behind Austin). Times are local. Both flew on 55 of the last 56 days.
Makes the connection97%The first flight arrived more than 141 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 3h 06m layover.
Arrives on time77%First flight not cancelled (0.0% are) × connection made (97%) × second flight not cancelled (0.0% are) and within 15 minutes (79%).
Total trip7h 45mAUS 16:10 to ONT 21:55, 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.