Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Jose → Chicago via Atlanta: arrives on time 73%
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22:00 SJC → 05:34 ATLDL 2136 · Delta · 4h 34m · 90% on time, 0.0% cancelled
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2h 26m layover in Atlanta (ATL) · 90 min minimum on separate tickets
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08:00 ATL → 08:55 MDW +1 dayWN 1270 · Southwest · 1h 55m · 78% on time, 2.0% cancelled
Total trip 8h 55m, scheduled departure to arrival (Chicago is 2 h ahead of San Jose). Times are local. Both flew on 40 of the last 56 days.
Makes the connection96%The first flight arrived more than 56 minutes late on 4% of the days it flew: too late for the 90-minute minimum connection on a 2h 26m layover.
Arrives on time73%First flight not cancelled (0.0% are) × connection made (96%) × second flight not cancelled (2.0% are) and within 15 minutes (78%).
Total trip8h 55mSJC 22:00 to MDW 08:55, 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.