Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Austin → Ontario via San Francisco: arrives on time 78%
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15:35 AUS → 17:24 SFOUA 442 · United · 3h 49m · 65% on time, 0.0% cancelled
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3h 36m layover in San Francisco (SFO) · 45 min minimum on one ticket
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21:00 SFO → 22:37 ONTUA 552 · United · 1h 37m · 83% on time, 0.5% cancelled
Total trip 9h 02m, scheduled departure to arrival (Ontario is 2 h behind Austin). Times are local. Both flew on 55 of the last 56 days.
Makes the connection94%The first flight arrived more than 171 minutes late on 6% of the days it flew: too late for the 45-minute minimum connection on a 3h 36m layover.
Arrives on time78%First flight not cancelled (0.0% are) × connection made (94%) × second flight not cancelled (0.5% are) and within 15 minutes (83%).
Total trip9h 02mAUS 15:35 to ONT 22:37, 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.