Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Diego → St Louis via Houston: arrives on time 74%
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11:58 SAN → 17:25 IAHUA 2237 · United · 3h 27m · 79% on time, 0.3% cancelled
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3h 05m layover in Houston (IAH) · 45 min minimum on one ticket
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20:30 IAH → 22:45 STLUA 6187 · United, flown by Mesa · 2h 15m · 77% on time, 1.4% cancelled
Total trip 8h 47m, scheduled departure to arrival (St Louis is 2 h ahead of San Diego). Times are local. Both flew on 54 of the last 56 days.
Makes the connection98%The first flight arrived more than 140 minutes late on 2% of the days it flew: too late for the 45-minute minimum connection on a 3h 05m layover.
Arrives on time74%First flight not cancelled (0.3% are) × connection made (98%) × second flight not cancelled (1.4% are) and within 15 minutes (77%).
Total trip8h 47mSAN 11:58 to STL 22:45, 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.