Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Pittsburgh via Atlanta: arrives on time 67%
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14:00 SFO → 21:49 ATLDL 531 · Delta · 4h 52m · 78% on time, 0.4% cancelled
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1h 17m layover in Atlanta (ATL) · 45 min minimum on one ticket
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23:06 ATL → 00:52 PIT +1 dayDL 1351 · Delta · 1h 46m · 80% on time, 1.6% cancelled
Total trip 7h 52m, scheduled departure to arrival (Pittsburgh is 3 h ahead of San Francisco). Times are local. Both flew on 56 of the last 56 days.
Makes the connection86%The first flight arrived more than 32 minutes late on 14% of the days it flew: too late for the 45-minute minimum connection on a 1h 17m layover.
Arrives on time67%First flight not cancelled (0.4% are) × connection made (86%) × second flight not cancelled (1.6% are) and within 15 minutes (80%).
Total trip7h 52mSFO 14:00 to PIT 00:52, 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.