Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Tucson → San Diego via Houston: arrives on time 70%
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06:37 TUS → 11:13 IAHUA 4042 · United, flown by Mesa · 2h 36m · 95% on time, 0.0% cancelled
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47m layover in Houston (IAH) · 45 min minimum on one ticket
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12:00 IAH → 13:21 SANUA 2399 · United · 3h 21m · 83% on time, 0.0% cancelled
Total trip 6h 44m, scheduled departure to arrival. Times are local. Both flew on 37 of the last 56 days.
Makes the connection84%The first flight arrived more than 2 minutes late on 16% of the days it flew: too late for the 45-minute minimum connection on a 47m layover.
Arrives on time70%First flight not cancelled (0.0% are) × connection made (84%) × second flight not cancelled (0.0% are) and within 15 minutes (83%).
Total trip6h 44mTUS 06:37 to SAN 13:21, 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.