Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Houston → Knoxville via Dallas-Fort Worth: arrives on time 40%
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16:18 IAH → 17:48 DFWAA 3583 · American, flown by Envoy · 1h 30m · 70% on time, 1.5% cancelled
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46m layover in Dallas-Fort Worth (DFW) · 45 min minimum on one ticket
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18:34 DFW → 21:59 TYSAA 5453 · American, flown by PSA · 2h 25m · 71% on time, 2.8% cancelled
Total trip 4h 41m, scheduled departure to arrival (Knoxville is 1 h ahead of Houston). Times are local. Both flew on 52 of the last 56 days.
Makes the connection59%The first flight arrived more than 1 minutes late on 41% of the days it flew: too late for the 45-minute minimum connection on a 46m layover.
Arrives on time40%First flight not cancelled (1.5% are) × connection made (59%) × second flight not cancelled (2.8% are) and within 15 minutes (71%).
Total trip4h 41mIAH 16:18 to TYS 21:59, 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.