Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Boston → Louisville via Chicago: arrives on time 82%
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05:10 BOS → 07:04 ORDAA 3324 · American · 2h 54m · 92% on time, 2.2% cancelled
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56m layover in Chicago (ORD) · 45 min minimum on one ticket
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08:00 ORD → 10:35 SDFAA 4704 · American, flown by Republic · 1h 36m · 93% on time, 0.0% cancelled
Total trip 5h 26m, scheduled departure to arrival. Times are local. Both flew on 52 of the last 56 days.
Makes the connection91%The first flight arrived more than 11 minutes late on 9% of the days it flew: too late for the 45-minute minimum connection on a 56m layover.
Arrives on time82%First flight not cancelled (2.2% are) × connection made (91%) × second flight not cancelled (0.0% are) and within 15 minutes (93%).
Total trip5h 26mBOS 05:10 to SDF 10:35, 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.