Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Detroit via Chicago: arrives on time 87%
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22:38 SFO → 05:01 ORDUA 2278 · United · 4h 23m · 81% on time, 2.4% cancelled
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2h 19m layover in Chicago (ORD) · 45 min minimum on one ticket
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07:20 ORD → 09:52 DTW +1 dayUA 1344 · United · 1h 32m · 95% on time, 0.0% cancelled
Total trip 8h 14m, scheduled departure to arrival (Detroit is 3 h ahead of San Francisco). Times are local. Both flew on 37 of the last 56 days.
Makes the connection94%The first flight arrived more than 94 minutes late on 6% of the days it flew: too late for the 45-minute minimum connection on a 2h 19m layover.
Arrives on time87%First flight not cancelled (2.4% are) × connection made (94%) × second flight not cancelled (0.0% are) and within 15 minutes (95%).
Total trip8h 14mSFO 22:38 to DTW 09:52, 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.