WN921 · SWA921

SWA921 over the last 30 days

As of 2026-10-28

SWA921 is operated by Southwest Airlines on the route Detroit Metropolitan Wayne County Airport (DTW/KDTW) → Denver International Airport (DEN/KDEN). It usually takes off around 10:50 UTC (06:50 local time, DTW). It usually lands around 13:35 UTC (07:35 local time, DEN). Most frequent aircraft type: BOEING 737 MAX 8 (B38M).

Days with an observed flight (last 30 days)

17/30

Days of the week with an observed flight

Sat

Typical take-off

10:50 UTC · 06:50 local time (DTW)

Typical landing

13:35 UTC · 07:35 local time (DEN)

Typical time airborne

154 min

Median departure deviation from the usual time on this route

+1 min

Departures within 15 minutes of the usual time

91 %

Departures measured

34

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: 16
• BOEING 737-800 (B738) — Number of flights: 8

Aircraft in the last 7 days

• N8683D · BOEING 737-800 2026-10-28
• N8514F · BOEING 737-800 2026-10-25
• N8658A · BOEING 737-800 2026-10-24
• N8828L · BOEING 737 MAX 8 2026-10-22

Related flights on this route

• All flights KDTW – KDEN