Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Dallas via Atlanta: arrives on time 70%
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07:50 SFO → 15:33 ATLDL 640 · Delta · 4h 43m · 90% on time, 0.5% cancelled
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1h 05m layover in Atlanta (ATL) · 45 min minimum on one ticket
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16:38 ATL → 17:55 DALDL 2780 · Delta · 2h 17m · 79% on time, 2.5% cancelled
Total trip 8h 05m, scheduled departure to arrival (Dallas is 2 h ahead of San Francisco). Times are local. Both flew on 56 of the last 56 days.
Makes the connection91%The first flight arrived more than 20 minutes late on 9% of the days it flew: too late for the 45-minute minimum connection on a 1h 05m layover.
Arrives on time70%First flight not cancelled (0.5% are) × connection made (91%) × second flight not cancelled (2.5% are) and within 15 minutes (79%).
Total trip8h 05mSFO 07:50 to DAL 17:55, 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.