Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Ontario → Nashville via San Francisco: arrives on time 23%
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13:50 ONT → 15:15 SFOUA 1375 · United · 1h 25m · 57% on time, 0.0% cancelled
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55m layover in San Francisco (SFO) · 45 min minimum on one ticket
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16:10 SFO → 22:46 BNAUA 373 · United · 4h 36m · 48% on time, 0.0% cancelled
Total trip 6h 56m, scheduled departure to arrival (Nashville is 2 h ahead of Ontario). Times are local. Both flew on 21 of the last 56 days.
Makes the connection49%The first flight arrived more than 10 minutes late on 51% of the days it flew: too late for the 45-minute minimum connection on a 55m layover.
Arrives on time23%First flight not cancelled (0.0% are) × connection made (49%) × second flight not cancelled (0.0% are) and within 15 minutes (48%).
Total trip6h 56mONT 13:50 to BNA 22:46, 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.