Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Diego → Houston via Chicago: arrives on time 81%
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22:25 SAN → 04:36 ORDUA 1457 · United · 4h 11m · 90% on time, 0.7% cancelled
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54m layover in Chicago (ORD) · 45 min minimum on one ticket
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05:30 ORD → 08:18 IAH +1 dayUA 2310 · United · 2h 48m · 93% on time, 0.0% cancelled
Total trip 7h 53m, scheduled departure to arrival (Houston is 2 h ahead of San Diego). Times are local. Both flew on 55 of the last 56 days.
Makes the connection87%The first flight arrived more than 9 minutes late on 13% of the days it flew: too late for the 45-minute minimum connection on a 54m layover.
Arrives on time81%First flight not cancelled (0.7% are) × connection made (87%) × second flight not cancelled (0.0% are) and within 15 minutes (93%).
Total trip7h 53mSAN 22:25 to IAH 08:18, 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.