Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Ontario → Nashville via San Francisco: arrives on time 76%
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18:39 ONT → 20:07 SFOUA 5624 · United, flown by SkyWest · 1h 28m · 16% on time, 1.6% cancelled
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3h 52m layover in San Francisco (SFO) · 45 min minimum on one ticket
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23:59 SFO → 06:37 BNA +1 dayUA 1815 · United · 4h 38m · 77% on time, 0.0% cancelled
Total trip 9h 58m, scheduled departure to arrival (Nashville is 2 h ahead of Ontario). Times are local. Both flew on 46 of the last 56 days.
Makes the connection100%The first flight arrived more than 187 minutes late on 0% of the days it flew: too late for the 45-minute minimum connection on a 3h 52m layover.
Arrives on time76%First flight not cancelled (1.6% are) × connection made (100%) × second flight not cancelled (0.0% are) and within 15 minutes (77%).
Total trip9h 58mONT 18:39 to BNA 06:37, 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.