Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Key West → Chicago via Philadelphia: arrives on time 47%
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17:34 EYW → 20:40 PHLAA 3147 · American · 3h 06m · 56% on time, 3.7% cancelled
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2h 23m layover in Philadelphia (PHL) · 45 min minimum on one ticket
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23:03 PHL → 00:34 ORD +1 dayAA 2840 · American · 2h 26m · 67% on time, 11.1% cancelled
Total trip 7h 55m, scheduled departure to arrival (Chicago is 1 h behind Key West). Times are local. Both flew on 56 of the last 56 days.
Makes the connection81%The first flight arrived more than 98 minutes late on 19% of the days it flew: too late for the 45-minute minimum connection on a 2h 23m layover.
Arrives on time47%First flight not cancelled (3.7% are) × connection made (81%) × second flight not cancelled (11.1% are) and within 15 minutes (67%).
Total trip7h 55mEYW 17:34 to ORD 00:34, 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.