Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Houston → Chicago via Atlanta: arrives on time 74%
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06:00 HOU → 09:05 ATLDL 2557 · Delta · 2h 05m · 90% on time, 1.4% cancelled
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3h 25m layover in Atlanta (ATL) · 90 min minimum on separate tickets
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12:30 ATL → 13:25 MDWWN 225 · Southwest · 1h 55m · 76% on time, 0.0% cancelled
Total trip 7h 25m, scheduled departure to arrival. Times are local. Both flew on 24 of the last 56 days.
Makes the connection99%The first flight arrived more than 115 minutes late on 1% of the days it flew: too late for the 90-minute minimum connection on a 3h 25m layover.
Arrives on time74%First flight not cancelled (1.4% are) × connection made (99%) × second flight not cancelled (0.0% are) and within 15 minutes (76%).
Total trip7h 25mHOU 06:00 to MDW 13:25, 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.