WN3173 · SWA3173

SWA3173 over the last 30 days

As of 2026-10-27

SWA3173 is operated by Southwest Airlines on the route St. Louis Lambert International Airport (STL/KSTL) → Austin Bergstrom International Airport (AUS/KAUS). It usually takes off around 18:53 UTC (13:53 local time, STL). It usually lands around 20:22 or 21:34 UTC (15:22 or 16:34 local time, AUS). Most frequent aircraft type: BOEING 737 MAX 8 (B38M).

Days with an observed flight (last 30 days)

26/30

Days of the week with an observed flight

Mon, Thu, Fri

Typical take-off

18:53 UTC · 13:53 local time (STL)

Typical landing

20:22 UTC · 15:22 local time (AUS) / 21:34 UTC · 16:34 local time (AUS)

Typical time airborne

101 min

Median departure deviation from the usual time on this route

+4 min

Departures within 15 minutes of the usual time

75 %

Departures measured

51

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: 1

Aircraft in the last 7 days

• N8656B · BOEING 737-800 2026-10-27
• N8880G · BOEING 737 MAX 8 2026-10-26
• N8685B · BOEING 737-800 2026-10-24
• N8607M · BOEING 737-800 2026-10-23
• N8893L · BOEING 737 MAX 8 2026-10-22
• N8549Z · BOEING 737-800 2026-10-21

Related flights on this route

• All flights KSTL – KAUS