Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Detroit → San Diego via San Francisco: arrives on time 52%
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17:29 DTW → 19:40 SFOUA 1863 · United · 5h 11m · 61% on time, 1.4% cancelled
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1h 20m layover in San Francisco (SFO) · 45 min minimum on one ticket
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21:00 SFO → 22:49 SANUA 1863 · United · 1h 49m · 79% on time, 0.0% cancelled
Total trip 8h 20m, scheduled departure to arrival (San Diego is 3 h behind Detroit). Times are local. Both flew on 44 of the last 56 days.
Makes the connection67%The first flight arrived more than 35 minutes late on 33% of the days it flew: too late for the 45-minute minimum connection on a 1h 20m layover.
Arrives on time52%First flight not cancelled (1.4% are) × connection made (67%) × second flight not cancelled (0.0% are) and within 15 minutes (79%).
Total trip8h 20mDTW 17:29 to SAN 22:49, 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.