WN4373 · SWA4373

SWA4373 over the last 30 days

As of 2026-10-26

SWA4373 is operated by Southwest Airlines on the route Sacramento International Airport (SMF/KSMF) → San Diego International Airport (SAN/KSAN). It usually takes off around 15:23 UTC (08:23 local time, SMF). It usually lands around 16:39 UTC (09:39 local time, SAN). Most frequent aircraft type: BOEING 737-700 (B737).

Days with an observed flight (last 30 days)

22/30

Days of the week with an observed flight

Mon, Thu, Fri, Sat, Sun

Typical take-off

15:23 UTC · 08:23 local time (SMF)

Typical landing

16:39 UTC · 09:39 local time (SAN)

Typical time airborne

71 min

Median departure deviation from the usual time on this route

+5 min

Departures within 15 minutes of the usual time

67 %

Departures measured

216

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 737-700 (B737) — Number of flights: 13
• BOEING 737 MAX 8 (B38M) — Number of flights: 10
• BOEING 737-800 (B738) — Number of flights: 4

Aircraft in the last 7 days

• N8709Q · BOEING 737 MAX 8 2026-10-26
• N7879A · BOEING 737-700 2026-10-25
• N210WN · BOEING 737-700 2026-10-24
• N8717M · BOEING 737 MAX 8 2026-10-23
• N8997Q · BOEING 737 MAX 8 2026-10-22

Related flights on this route

• All flights KSMF – KSAN