WN309 · SWA309

SWA309 over the last 30 days

As of 2026-10-27

SWA309 is operated by Southwest Airlines on the route Hartsfield Jackson Atlanta International Airport (ATL/KATL) → Chicago Midway International Airport (MDW/KMDW). It usually takes off around 23:13 UTC (19:13 local time, ATL). It usually lands around 00:41 UTC (19:41 local time, MDW). Most frequent aircraft type: BOEING 737 MAX 8 (B38M).

Days with an observed flight (last 30 days)

30/30

Days of the week with an observed flight

Mon, Thu, Fri, Sun

Typical take-off

23:13 UTC · 19:13 local time (ATL)

Typical landing

00:41 UTC · 19:41 local time (MDW)

Typical time airborne

87 min

Median departure deviation from the usual time on this route

+3 min

Departures within 15 minutes of the usual time

67 %

Departures measured

93

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: 18
• BOEING 737-800 (B738) — Number of flights: 17
• BOEING 737-700 (B737) — Number of flights: 14

Aircraft in the last 7 days

• N8869L · BOEING 737 MAX 8 2026-10-27
• N8504G · BOEING 737-800 2026-10-26
• N8856S · BOEING 737 MAX 8 2026-10-24
• N8744B · BOEING 737 MAX 8 2026-10-24
• N8582Z · BOEING 737-800 2026-10-23
• N8575Z · BOEING 737-800 2026-10-22

Related flights on this route

• WN1207 (SWA1207) — Southwest Airlines · KMDW → KATL
• All flights KATL – KMDW