Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Miami → Ontario via Denver: arrives on time 58%
-
15:44 MIA → 18:23 DENUA 2852 · United · 4h 39m · 82% on time, 0.5% cancelled
-
57m layover in Denver (DEN) · 45 min minimum on one ticket
-
19:20 DEN → 20:42 ONTUA 2028 · United · 2h 22m · 75% on time, 0.0% cancelled
Total trip 7h 58m, scheduled departure to arrival (Ontario is 3 h behind Miami). Times are local. Both flew on 55 of the last 56 days.
Makes the connection78%The first flight arrived more than 12 minutes late on 22% of the days it flew: too late for the 45-minute minimum connection on a 57m layover.
Arrives on time58%First flight not cancelled (0.5% are) × connection made (78%) × second flight not cancelled (0.0% are) and within 15 minutes (75%).
Total trip7h 58mMIA 15:44 to ONT 20:42, 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.