Connection · one ticket · schedule Jun 6 – Jul 31, 2026 · records Aug 2025 – Jul 2026
Las Vegas → Raleigh/Durham via St Louis: arrives on time 21%
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13:50 LAS → 19:05 STLWN 3851 · Southwest · 3h 15m · 56% on time, 0.0% cancelled
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50m layover in St Louis (STL) · 45 min minimum on one ticket
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19:55 STL → 22:45 RDUWN 3810 · Southwest · 1h 50m · 58% on time, 0.0% cancelled
Total trip 5h 55m, scheduled departure to arrival (Raleigh/Durham is 3 h ahead of Las Vegas). Times are local. Both flew on 39 of the last 56 days.
Makes the connection37%The first flight arrived more than 5 minutes late on 63% of the days it flew: too late for the 45-minute minimum connection on a 50m layover.
Arrives on time21%First flight not cancelled (0.0% are) × connection made (37%) × second flight not cancelled (0.0% are) and within 15 minutes (58%).
Total trip5h 55mLAS 13:50 to RDU 22:45, 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.