WN1644 · SWA1644

SWA1644 over the last 30 days

As of 2026-10-27

SWA1644 is operated by Southwest Airlines on the route Salt Lake City International Airport (SLC/KSLC) → Denver International Airport (DEN/KDEN). It usually takes off around 12:09 UTC (06:09 local time, SLC). It usually lands around 13:11 UTC (07:11 local time, DEN). 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

Tue, Wed

Typical take-off

12:09 UTC · 06:09 local time (SLC)

Typical landing

13:11 UTC · 07:11 local time (DEN)

Typical time airborne

60 min

Median departure deviation from the usual time on this route

+2 min

Departures within 15 minutes of the usual time

78 %

Departures measured

138

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: 27
• BOEING 737-800 (B738) — Number of flights: 4
• BOEING 737-700 (B737) — Number of flights: 1

Aircraft in the last 7 days

• N8713M · BOEING 737 MAX 8 2026-10-27
• N9016S · BOEING 737 MAX 8 2026-10-26
• N8569Z · BOEING 737-800 2026-10-25
• N8314L · BOEING 737-800 2026-10-23
• N9018H · BOEING 737 MAX 8 2026-10-22
• N8774Q · BOEING 737 MAX 8 2026-10-21

Related flights on this route

• All flights KSLC – KDEN