Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Houston → Dallas-Fort Worth via Chicago: arrives on time 34%
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11:55 IAH → 14:51 ORDUA 2827 · United · 2h 56m · 67% on time, 1.4% cancelled
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49m layover in Chicago (ORD) · 45 min minimum on one ticket
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15:40 ORD → 18:22 DFWUA 793 · United · 2h 42m · 68% on time, 3.1% cancelled
Total trip 6h 27m, scheduled departure to arrival. Times are local. Both flew on 56 of the last 56 days.
Makes the connection52%The first flight arrived more than 4 minutes late on 48% of the days it flew: too late for the 45-minute minimum connection on a 49m layover.
Arrives on time34%First flight not cancelled (1.4% are) × connection made (52%) × second flight not cancelled (3.1% are) and within 15 minutes (68%).
Total trip6h 27mIAH 11:55 to DFW 18:22, 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.