Connection · two tickets · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
San Francisco → Austin via Atlanta: arrives on time 88%
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21:20 SFO → 05:20 ATLUA 1603 · United · 5h 00m · 85% on time, 0.7% cancelled
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2h 50m layover in Atlanta (ATL) · 90 min minimum on separate tickets
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08:10 ATL → 09:30 AUS +1 dayDL 2976 · Delta · 2h 20m · 94% on time, 2.5% cancelled
Total trip 10h 10m, scheduled departure to arrival (Austin is 2 h ahead of San Francisco). Times are local. Both flew on 51 of the last 56 days.
Makes the connection97%The first flight arrived more than 80 minutes late on 3% of the days it flew: too late for the 90-minute minimum connection on a 2h 50m layover.
Arrives on time88%First flight not cancelled (0.7% are) × connection made (97%) × second flight not cancelled (2.5% are) and within 15 minutes (94%).
Total trip10h 10mSFO 21:20 to AUS 09:30, 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.