Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Chattanooga → Washington via Houston: arrives on time 43%
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17:20 CHA → 18:48 IAHUA 5091 · United, flown by SkyWest · 2h 28m · 63% on time, 1.9% cancelled
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1h 02m layover in Houston (IAH) · 45 min minimum on one ticket
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19:50 IAH → 23:59 DCAUA 2224 · United · 3h 09m · 70% on time, 0.7% cancelled
Total trip 6h 39m, scheduled departure to arrival. Times are local. Both flew on 0 of the last 56 days, too few to list among the best connections.
Makes the connection64%The first flight arrived more than 17 minutes late on 36% of the days it flew: too late for the 45-minute minimum connection on a 1h 02m layover.
Arrives on time43%First flight not cancelled (1.9% are) × connection made (64%) × second flight not cancelled (0.7% are) and within 15 minutes (70%).
Total trip6h 39mCHA 17:20 to DCA 23:59, 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.