Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Ontario → Houston via Atlanta: arrives on time 85%
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22:00 ONT → 05:18 ATLDL 2892 · Delta · 4h 18m · 97% on time, 2.5% cancelled
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1h 47m layover in Atlanta (ATL) · 90 min minimum on separate tickets
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07:05 ATL → 08:15 IAH +1 dayUA 532 · United · 2h 10m · 89% on time, 0.5% cancelled
Total trip 8h 15m, scheduled departure to arrival (Houston is 2 h ahead of Ontario). Times are local. Both flew on 39 of the last 56 days.
Makes the connection98%The first flight arrived more than 17 minutes late on 2% of the days it flew: too late for the 90-minute minimum connection on a 1h 47m layover.
Arrives on time85%First flight not cancelled (2.5% are) × connection made (98%) × second flight not cancelled (0.5% are) and within 15 minutes (89%).
Total trip8h 15mONT 22:00 to IAH 08:15, 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.