Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → San Jose via Atlanta: arrives on time 75%
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11:05 MDW → 14:01 ATLDL 1063 · Delta · 1h 56m · 90% on time, 2.7% cancelled
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3h 07m layover in Atlanta (ATL) · 45 min minimum on one ticket
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17:08 ATL → 19:07 SJCDL 2136 · Delta · 4h 59m · 79% on time, 1.2% cancelled
Total trip 10h 02m, scheduled departure to arrival (San Jose is 2 h behind Chicago). Times are local. Both flew on 48 of the last 56 days.
Makes the connection99%The first flight arrived more than 142 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 3h 07m layover.
Arrives on time75%First flight not cancelled (2.7% are) × connection made (99%) × second flight not cancelled (1.2% are) and within 15 minutes (79%).
Total trip10h 02mMDW 11:05 to SJC 19:07, 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.