Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Key West via Atlanta: arrives on time 72%
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11:23 ORD → 14:25 ATLDL 1147 · Delta · 2h 04m · 80% on time, 3.1% cancelled
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3h 28m layover in Atlanta (ATL) · 45 min minimum on one ticket
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17:53 ATL → 19:53 EYWDL 2815 · Delta · 2h 00m · 77% on time, 1.6% cancelled
Total trip 7h 30m, scheduled departure to arrival (Key West is 1 h ahead of Chicago). Times are local. Both flew on 55 of the last 56 days.
Makes the connection98%The first flight arrived more than 163 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 3h 28m layover.
Arrives on time72%First flight not cancelled (3.1% are) × connection made (98%) × second flight not cancelled (1.6% are) and within 15 minutes (77%).
Total trip7h 30mORD 11:23 to EYW 19:53, 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.