Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → San Antonio via Atlanta: arrives on time 74%
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17:10 MDW → 20:22 ATLDL 1728 · Delta · 2h 10m · 74% on time, 2.1% cancelled
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2h 38m layover in Atlanta (ATL) · 45 min minimum on one ticket
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23:00 ATL → 00:33 SAT +1 dayDL 1508 · Delta · 2h 33m · 80% on time, 0.6% cancelled
Total trip 7h 23m, scheduled departure to arrival. Times are local. Both flew on 43 of the last 56 days.
Makes the connection95%The first flight arrived more than 113 minutes late on 5% of the days it flew: too late for the 45-minute minimum connection on a 2h 38m layover.
Arrives on time74%First flight not cancelled (2.1% are) × connection made (95%) × second flight not cancelled (0.6% are) and within 15 minutes (80%).
Total trip7h 23mMDW 17:10 to SAT 00:33, 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.