Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Diego → Denver via Sacramento: arrives on time 88%
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06:45 SAN → 08:35 SMFWN 3544 · Southwest · 1h 50m · 93% on time, 0.0% cancelled
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2h 15m layover in Sacramento (SMF) · 90 min minimum on separate tickets
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10:50 SMF → 14:17 DENUA 1023 · United · 2h 27m · 93% on time, 1.4% cancelled
Total trip 6h 32m, scheduled departure to arrival (Denver is 1 h ahead of San Diego). Times are local. Both flew on 56 of the last 56 days.
Makes the connection97%The first flight arrived more than 45 minutes late on 3% of the days it flew: too late for the 90-minute minimum connection on a 2h 15m layover.
Arrives on time88%First flight not cancelled (0.0% are) × connection made (97%) × second flight not cancelled (1.4% are) and within 15 minutes (93%).
Total trip6h 32mSAN 06:45 to DEN 14:17, 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.