Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Las Vegas → Ontario via San Francisco: arrives on time 37%
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07:00 LAS → 08:49 SFOF9 3019 · Frontier · 1h 49m · 76% on time, 1.2% cancelled
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52m layover in San Francisco (SFO) · 45 min minimum on one ticket
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09:41 SFO → 11:13 ONTF9 2678 · Frontier · 1h 34m · 58% on time, 3.1% cancelled
Total trip 4h 15m, scheduled departure to arrival. Times are local. Both flew on 40 of the last 56 days.
Makes the connection67%The first flight arrived more than 7 minutes late on 33% of the days it flew: too late for the 45-minute minimum connection on a 52m layover.
Arrives on time37%First flight not cancelled (1.2% are) × connection made (67%) × second flight not cancelled (3.1% are) and within 15 minutes (58%).
Total trip4h 15mLAS 07:00 to ONT 11:13, layover included
Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.