WN1639 · SWA1639

SWA1639 over the last 30 days

As of 2026-10-27

SWA1639 is operated by Southwest Airlines on the route Denver International Airport (DEN/KDEN) → Harry Reid International Airport (LAS/KLAS). It usually takes off around 01:36 or 23:50 UTC (19:36 or 17:50 local time, DEN). It usually lands around 01:19 or 03:04 UTC (18:19 or 20:04 local time, LAS). Most frequent aircraft type: BOEING 737-700 (B737).

Days with an observed flight (last 30 days)

28/30

Days of the week with an observed flight

Mon, Tue, Wed, Thu, Fri, Sat, Sun

Typical take-off

01:36 UTC · 19:36 local time (DEN) / 23:50 UTC · 17:50 local time (DEN)

Typical landing

01:19 UTC · 18:19 local time (LAS) / 03:04 UTC · 20:04 local time (LAS)

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

71 %

Departures measured

52

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: 53
• BOEING 737 MAX 8 (B38M) — Number of flights: 15
• BOEING 737-800 (B738) — Number of flights: 4

Aircraft in the last 7 days

• N8720L · BOEING 737 MAX 8 2026-10-27
• N8543Z · BOEING 737-800 2026-10-26
• N8736J · BOEING 737 MAX 8 2026-10-26
• N8731J · BOEING 737 MAX 8 2026-10-25
• N956WN · BOEING 737-700 2026-10-24
• N948WN · BOEING 737-700 2026-10-23

Related flights on this route

• All flights KDEN – KLAS