Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Diego → Dulles via Detroit: arrives on time 62%
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11:37 SAN → 19:09 DTWDL 492 · Delta · 4h 33m · 79% on time, 1.0% cancelled
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2h 29m layover in Detroit (DTW) · 45 min minimum on one ticket
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21:38 DTW → 23:14 IADDL 3988 · Delta, flown by SkyWest · 1h 36m · 65% on time, 0.0% cancelled
Total trip 8h 37m, scheduled departure to arrival (Dulles is 3 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 104 minutes late on 3% of the days it flew: too late for the 45-minute minimum connection on a 2h 29m layover.
Arrives on time62%First flight not cancelled (1.0% are) × connection made (97%) × second flight not cancelled (0.0% are) and within 15 minutes (65%).
Total trip8h 37mSAN 11:37 to IAD 23:14, 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.