Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Detroit → San Diego via Atlanta: arrives on time 82%
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06:10 DTW → 08:31 ATLF9 1263 · Frontier · 2h 21m · 78% on time, 1.1% cancelled
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3h 22m layover in Atlanta (ATL) · 90 min minimum on separate tickets
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11:53 ATL → 13:21 SANDL 540 · Delta · 4h 28m · 85% on time, 0.0% cancelled
Total trip 10h 11m, scheduled departure to arrival (San Diego is 3 h behind Detroit). Times are local. Both flew on 55 of the last 56 days.
Makes the connection97%The first flight arrived more than 112 minutes late on 3% of the days it flew: too late for the 90-minute minimum connection on a 3h 22m layover.
Arrives on time82%First flight not cancelled (1.1% are) × connection made (97%) × second flight not cancelled (0.0% are) and within 15 minutes (85%).
Total trip10h 11mDTW 06:10 to SAN 13:21, 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.