Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Ontario → Houston via Las Vegas: arrives on time 63%
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11:58 ONT → 13:06 LASF9 2232 · Frontier · 1h 10m · 84% on time, 1.0% cancelled
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1h 22m layover in Las Vegas (LAS) · 45 min minimum on one ticket
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14:28 LAS → 19:58 IAHF9 1966 · Frontier · 3h 30m · 72% on time, 2.8% cancelled
Total trip 6h 00m, scheduled departure to arrival (Houston is 2 h ahead of Ontario). Times are local. Both flew on 56 of the last 56 days.
Makes the connection90%The first flight arrived more than 37 minutes late on 10% of the days it flew: too late for the 45-minute minimum connection on a 1h 22m layover.
Arrives on time63%First flight not cancelled (1.0% are) × connection made (90%) × second flight not cancelled (2.8% are) and within 15 minutes (72%).
Total trip6h 00mONT 11:58 to IAH 19:58, 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.