WN4509 · SWA4509

SWA4509 over the last 30 days

As of 2026-10-27

SWA4509 is operated by Southwest Airlines on the route St. Louis Lambert International Airport (STL/KSTL) → Harry Reid International Airport (LAS/KLAS). It usually takes off around 03:39 UTC (22:39 local time, STL). It usually lands around 06:38 UTC (23:38 local time, LAS). Most frequent aircraft type: BOEING 737 MAX 8 (B38M).

Days with an observed flight (last 30 days)

18/30

Days of the week with an observed flight

Mon, Tue, Thu, Fri, Sat, Sun

Typical take-off

03:39 UTC · 22:39 local time (STL)

Typical landing

06:38 UTC · 23:38 local time (LAS)

Typical time airborne

178 min

Median departure deviation from the usual time on this route

+18 min

Departures within 15 minutes of the usual time

46 %

Departures measured

13

Our measurement against the usual departure time of the route, from our own observations over the last 28 days; the figures cover all flights of this airline on the route.

Aircraft types on this flight (last 30 days)

• BOEING 737 MAX 8 (B38M) — Number of flights: 14
• BOEING 737-800 (B738) — Number of flights: 12
• BOEING 737-700 (B737) — Number of flights: 4

Aircraft in the last 7 days

• N8954Q · BOEING 737 MAX 8 2026-10-27
• N8770Q · BOEING 737 MAX 8 2026-10-26
• N8322X · BOEING 737-800 2026-10-24
• N8852Q · BOEING 737 MAX 8 2026-10-23

Related flights on this route

• All flights KSTL – KLAS