Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Philadelphia via Atlanta: arrives on time 84%
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23:59 SFO → 07:42 ATLDL 690 · Delta · 4h 43m · 72% on time, 0.5% cancelled
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3h 39m layover in Atlanta (ATL) · 45 min minimum on one ticket
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11:21 ATL → 13:24 PHL +1 dayDL 2279 · Delta · 2h 05m · 86% on time, 1.9% cancelled
Total trip 10h 27m, scheduled departure to arrival (Philadelphia is 3 h ahead of San Francisco). Times are local. Both flew on 47 of the last 56 days.
Makes the connection99%The first flight arrived more than 174 minutes late on 1% of the days it flew: too late for the 45-minute minimum connection on a 3h 39m layover.
Arrives on time84%First flight not cancelled (0.5% are) × connection made (99%) × second flight not cancelled (1.9% are) and within 15 minutes (86%).
Total trip10h 27mSFO 23:59 to PHL 13:24, 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.