Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chicago → Houston via Dallas-Fort Worth: arrives on time 38%
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14:59 ORD → 17:36 DFWAA 2257 · American · 2h 36m · 65% on time, 2.7% cancelled
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58m layover in Dallas-Fort Worth (DFW) · 45 min minimum on one ticket
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18:34 DFW → 19:51 HOUAA 3351 · American, flown by Envoy · 1h 17m · 67% on time, 9.5% cancelled
Total trip 4h 52m, scheduled departure to arrival. Times are local. Both flew on 43 of the last 56 days.
Makes the connection63%The first flight arrived more than 13 minutes late on 37% of the days it flew: too late for the 45-minute minimum connection on a 58m layover.
Arrives on time38%First flight not cancelled (2.7% are) × connection made (63%) × second flight not cancelled (9.5% are) and within 15 minutes (67%).
Total trip4h 52mORD 14:59 to HOU 19:51, 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.