WN3955 · SWA3955

SWA3955 over the last 30 days

As of 2026-10-27

SWA3955 is operated by Southwest Airlines on the route Sacramento International Airport (SMF/KSMF) → Ontario International Airport (ONT/KONT). It usually takes off around 04:42 UTC (21:42 local time, SMF). It usually lands around 05:40 UTC (22:40 local time, ONT). Most frequent aircraft type: BOEING 737 MAX 8 (B38M).

Days with an observed flight (last 30 days)

25/30

Days of the week with an observed flight

Mon, Tue, Wed, Thu, Fri, Sun

Typical take-off

04:42 UTC · 21:42 local time (SMF)

Typical landing

05:40 UTC · 22:40 local time (ONT)

Typical time airborne

59 min

Median departure deviation from the usual time on this route

+1 min

Departures within 15 minutes of the usual time

73 %

Departures measured

134

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: 17
• BOEING 737-800 (B738) — Number of flights: 10
• BOEING 737-700 (B737) — Number of flights: 2

Aircraft in the last 7 days

• N8753Q · BOEING 737 MAX 8 2026-10-27
• N8970Q · BOEING 737 MAX 8 2026-10-26
• N8613K · BOEING 737-800 2026-10-24
• N8672F · BOEING 737-800 2026-10-24
• N8709Q · BOEING 737 MAX 8 2026-10-23
• N8855Q · BOEING 737 MAX 8 2026-10-22

Related flights on this route

• All flights KSMF – KONT