Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Diego → Denver via San Francisco: arrives on time 54%
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13:39 SAN → 15:19 SFOUA 1763 · United · 1h 40m · 74% on time, 0.0% cancelled
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51m layover in San Francisco (SFO) · 45 min minimum on one ticket
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16:10 SFO → 20:01 DENUA 1430 · United · 2h 51m · 79% on time, 0.0% cancelled
Total trip 5h 22m, 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 connection68%The first flight arrived more than 6 minutes late on 32% of the days it flew: too late for the 45-minute minimum connection on a 51m layover.
Arrives on time54%First flight not cancelled (0.0% are) × connection made (68%) × second flight not cancelled (0.0% are) and within 15 minutes (79%).
Total trip5h 22mSAN 13:39 to DEN 20:01, 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.