Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Houston → Baltimore via Atlanta: arrives on time 78%
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07:20 IAH → 10:39 ATLUA 1030 · United · 2h 19m · 93% on time, 0.4% cancelled
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3h 23m layover in Atlanta (ATL) · 90 min minimum on separate tickets
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14:02 ATL → 15:53 BWIDL 2799 · Delta · 1h 51m · 81% on time, 2.0% cancelled
Total trip 7h 33m, scheduled departure to arrival (Baltimore is 1 h ahead of Houston). Times are local. Both flew on 50 of the last 56 days.
Makes the connection99%The first flight arrived more than 113 minutes late on 1% of the days it flew: too late for the 90-minute minimum connection on a 3h 23m layover.
Arrives on time78%First flight not cancelled (0.4% are) × connection made (99%) × second flight not cancelled (2.0% are) and within 15 minutes (81%).
Total trip7h 33mIAH 07:20 to BWI 15:53, layover included
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.