Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Miami → Ontario via Phoenix: arrives on time 77%
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10:59 MIA → 12:56 PHXAA 3172 · American · 4h 48m · 77% on time, 0.0% cancelled
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4h 59m layover in Phoenix (PHX) · 45 min minimum on one ticket
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17:55 PHX → 18:20 ONTAA 1666 · American · 1h 16m · 78% on time, 1.2% cancelled
Total trip 11h 12m, scheduled departure to arrival (Ontario is 3 h behind Miami). Times are local. Both flew on 0 of the last 56 days, too few to list among the best connections.
Makes the connection99%The first flight arrived more than 254 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 4h 59m layover.
Arrives on time77%First flight not cancelled (0.0% are) × connection made (99%) × second flight not cancelled (1.2% are) and within 15 minutes (78%).
Total trip11h 12mMIA 10:59 to ONT 18:20, 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.