Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
St Louis → San Diego via Austin: arrives on time 15%
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15:20 STL → 17:20 AUSWN 329 · Southwest · 2h 00m · 54% on time, 0.0% cancelled
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50m layover in Austin (AUS) · 45 min minimum on one ticket
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18:10 AUS → 19:05 SANWN 391 · Southwest · 2h 55m · 49% on time, 0.0% cancelled
Total trip 5h 45m, scheduled departure to arrival (San Diego is 2 h behind St Louis). Times are local. Both flew on 24 of the last 56 days.
Makes the connection31%The first flight arrived more than 5 minutes late on 69% of the days it flew: too late for the 45-minute minimum connection on a 50m layover.
Arrives on time15%First flight not cancelled (0.0% are) × connection made (31%) × second flight not cancelled (0.0% are) and within 15 minutes (49%).
Total trip5h 45mSTL 15:20 to SAN 19:05, layover included
Tight connection: often missed. The first flight is late enough to miss it on more than 1 day in 4.
Not yet counted: the second flight also leaving late (which helps), gate-to-gate distance at the hub, and rebooking after a missed connection.