Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Dulles → Houston via Orlando: arrives on time 50%
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15:37 IAD → 17:59 MCOUA 1101 · United · 2h 22m · 62% on time, 0.0% cancelled
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1h 21m layover in Orlando (MCO) · 45 min minimum on one ticket
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19:20 MCO → 20:55 IAHUA 2215 · United · 2h 35m · 68% on time, 0.4% cancelled
Total trip 6h 18m, scheduled departure to arrival (Houston is 1 h behind Dulles). Times are local. Both flew on 48 of the last 56 days.
Makes the connection73%The first flight arrived more than 36 minutes late on 27% of the days it flew: too late for the 45-minute minimum connection on a 1h 21m layover.
Arrives on time50%First flight not cancelled (0.0% are) × connection made (73%) × second flight not cancelled (0.4% are) and within 15 minutes (68%).
Total trip6h 18mIAD 15:37 to IAH 20:55, layover included
Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.