Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Denver → Jacksonville via Miami: arrives on time 86%
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23:40 DEN → 05:51 MIAF9 1280 · Frontier · 4h 11m · 77% on time, 0.4% cancelled
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2h 11m layover in Miami (MIA) · 90 min minimum on separate tickets
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08:02 MIA → 09:27 JAX +1 dayAA 3609 · American, flown by Envoy · 1h 25m · 97% on time, 0.0% cancelled
Total trip 7h 47m, scheduled departure to arrival (Jacksonville is 2 h ahead of Denver). Times are local. Both flew on 48 of the last 56 days.
Makes the connection89%The first flight arrived more than 41 minutes late on 11% of the days it flew: too late for the 90-minute minimum connection on a 2h 11m layover.
Arrives on time86%First flight not cancelled (0.4% are) × connection made (89%) × second flight not cancelled (0.0% are) and within 15 minutes (97%).
Total trip7h 47mDEN 23:40 to JAX 09:27, 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.