Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → San Diego via Atlanta: arrives on time 82%
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07:15 MDW → 10:05 ATLWN 3054 · Southwest · 1h 50m · 93% on time, 0.0% cancelled
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1h 48m layover in Atlanta (ATL) · 90 min minimum on separate tickets
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11:53 ATL → 13:21 SANDL 540 · Delta · 4h 28m · 85% on time, 0.0% cancelled
Total trip 8h 06m, scheduled departure to arrival (San Diego is 2 h behind Chicago). Times are local. Both flew on 40 of the last 56 days.
Makes the connection96%The first flight arrived more than 18 minutes late on 4% of the days it flew: too late for the 90-minute minimum connection on a 1h 48m layover.
Arrives on time82%First flight not cancelled (0.0% are) × connection made (96%) × second flight not cancelled (0.0% are) and within 15 minutes (85%).
Total trip8h 06mMDW 07:15 to SAN 13:21, 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.