Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Miami → Ontario via Denver: arrives on time 85%
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07:37 MIA → 10:00 DENUA 2045 · United · 4h 23m · 91% on time, 0.0% cancelled
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1h 25m layover in Denver (DEN) · 45 min minimum on one ticket
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11:25 DEN → 12:47 ONTUA 430 · United · 2h 22m · 88% on time, 0.0% cancelled
Total trip 8h 10m, scheduled departure to arrival (Ontario is 3 h behind Miami). Times are local. Both flew on 56 of the last 56 days.
Makes the connection96%The first flight arrived more than 40 minutes late on 4% of the days it flew: too late for the 45-minute minimum connection on a 1h 25m layover.
Arrives on time85%First flight not cancelled (0.0% are) × connection made (96%) × second flight not cancelled (0.0% are) and within 15 minutes (88%).
Total trip8h 10mMIA 07:37 to ONT 12:47, 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.