Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Nashville → Ontario via San Francisco: arrives on time 69%
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06:31 BNA → 09:20 SFOUA 1293 · United · 4h 49m · 87% on time, 4.2% cancelled
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1h 20m layover in San Francisco (SFO) · 45 min minimum on one ticket
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10:40 SFO → 12:12 ONTUA 2661 · United · 1h 32m · 78% on time, 0.0% cancelled
Total trip 7h 41m, scheduled departure to arrival (Ontario is 2 h behind Nashville). Times are local. Both flew on 56 of the last 56 days.
Makes the connection93%The first flight arrived more than 35 minutes late on 7% of the days it flew: too late for the 45-minute minimum connection on a 1h 20m layover.
Arrives on time69%First flight not cancelled (4.2% are) × connection made (93%) × second flight not cancelled (0.0% are) and within 15 minutes (78%).
Total trip7h 41mBNA 06:31 to ONT 12:12, 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.