Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Diego → Chicago via San Francisco: arrives on time 83%
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19:41 SAN → 21:28 SFOUA 2278 · United · 1h 47m · 37% on time, 0.8% cancelled
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3h 22m layover in San Francisco (SFO) · 45 min minimum on one ticket
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00:50 SFO → 07:16 ORD +1 dayUA 1850 · United · 4h 26m · 86% on time, 0.0% cancelled
Total trip 9h 35m, scheduled departure to arrival (Chicago is 2 h ahead of San Diego). Times are local. Both flew on 26 of the last 56 days.
Makes the connection97%The first flight arrived more than 157 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 3h 22m layover.
Arrives on time83%First flight not cancelled (0.8% are) × connection made (97%) × second flight not cancelled (0.0% are) and within 15 minutes (86%).
Total trip9h 35mSAN 19:41 to ORD 07:16, 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.