Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
St Louis → Boston via Miami: arrives on time 80%
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05:18 STL → 09:15 MIAAA 1716 · American · 2h 57m · 96% on time, 0.0% cancelled
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1h 35m layover in Miami (MIA) · 45 min minimum on one ticket
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10:50 MIA → 14:22 BOSAA 1565 · American · 3h 31m · 83% on time, 1.4% cancelled
Total trip 8h 03m, scheduled departure to arrival (Boston is 1 h ahead of St Louis). Times are local. Both flew on 56 of the last 56 days.
Makes the connection98%The first flight arrived more than 50 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 1h 35m layover.
Arrives on time80%First flight not cancelled (0.0% are) × connection made (98%) × second flight not cancelled (1.4% are) and within 15 minutes (83%).
Total trip8h 03mSTL 05:18 to BOS 14:22, 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.