Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Miami → Kansas City via Denver: arrives on time 84%
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06:00 MIA → 08:37 DENF9 1279 · Frontier · 4h 27m · 85% on time, 1.2% cancelled
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3h 53m layover in Denver (DEN) · 90 min minimum on separate tickets
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12:30 DEN → 15:05 MCIWN 351 · Southwest · 1h 35m · 88% on time, 0.0% cancelled
Total trip 10h 05m, scheduled departure to arrival (Kansas City is 1 h behind Miami). Times are local. Both flew on 47 of the last 56 days.
Makes the connection97%The first flight arrived more than 143 minutes late on 3% of the days it flew: too late for the 90-minute minimum connection on a 3h 53m layover.
Arrives on time84%First flight not cancelled (1.2% are) × connection made (97%) × second flight not cancelled (0.0% are) and within 15 minutes (88%).
Total trip10h 05mMIA 06:00 to MCI 15:05, 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.