Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Atlanta → Chicago via Louisville: arrives on time 90%
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07:35 ATL → 08:54 SDFDL 1523 · Delta · 1h 19m · 94% on time, 4.5% cancelled
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2h 11m layover in Louisville (SDF) · 90 min minimum on separate tickets
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11:05 SDF → 11:44 ORDAA 4704 · American, flown by Republic · 1h 39m · 96% on time, 0.0% cancelled
Total trip 5h 09m, scheduled departure to arrival (Chicago is 1 h behind Atlanta). Times are local. Both flew on 42 of the last 56 days.
Makes the connection98%The first flight arrived more than 41 minutes late on 2% of the days it flew: too late for the 90-minute minimum connection on a 2h 11m layover.
Arrives on time90%First flight not cancelled (4.5% are) × connection made (98%) × second flight not cancelled (0.0% are) and within 15 minutes (96%).
Total trip5h 09mATL 07:35 to ORD 11:44, 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.