Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dulles → Phoenix via Houston: arrives on time 47%
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17:59 IAD → 20:25 IAHUA 2217 · United · 3h 26m · 72% on time, 0.3% cancelled
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1h 15m layover in Houston (IAH) · 45 min minimum on one ticket
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21:40 IAH → 22:25 PHXUA 2432 · United · 2h 45m · 56% on time, 0.0% cancelled
Total trip 7h 26m, scheduled departure to arrival (Phoenix is 3 h behind Dulles). Times are local. Both flew on 31 of the last 56 days.
Makes the connection84%The first flight arrived more than 30 minutes late on 16% of the days it flew: too late for the 45-minute minimum connection on a 1h 15m layover.
Arrives on time47%First flight not cancelled (0.3% are) × connection made (84%) × second flight not cancelled (0.0% are) and within 15 minutes (56%).
Total trip7h 26mIAD 17:59 to PHX 22:25, 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.