Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Tulsa → Houston via Atlanta: arrives on time 83%
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06:00 TUL → 09:00 ATLDL 1259 · Delta · 2h 00m · 93% on time, 3.7% cancelled
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2h 37m layover in Atlanta (ATL) · 90 min minimum on separate tickets
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11:37 ATL → 12:47 IAHUA 425 · United · 2h 10m · 89% on time, 0.0% cancelled
Total trip 6h 47m, scheduled departure to arrival. Times are local. Both flew on 50 of the last 56 days.
Makes the connection96%The first flight arrived more than 67 minutes late on 4% of the days it flew: too late for the 90-minute minimum connection on a 2h 37m layover.
Arrives on time83%First flight not cancelled (3.7% are) × connection made (96%) × second flight not cancelled (0.0% are) and within 15 minutes (89%).
Total trip6h 47mTUL 06:00 to IAH 12:47, 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.