WN1581 · SWA1581

SWA1581 over the last 30 days

As of 2026-10-26

SWA1581 is operated by Southwest Airlines on the route Philadelphia International Airport (PHL/KPHL) → Denver International Airport (DEN/KDEN). It usually takes off around 09:36 UTC (05:36 local time, PHL). It usually lands around 13:06 UTC (07:06 local time, DEN). Most frequent aircraft type: BOEING 737-700 (B737).

Days with an observed flight (last 30 days)

18/30

Days of the week with an observed flight

Mon, Thu, Fri

Typical take-off

09:36 UTC · 05:36 local time (PHL)

Typical landing

13:06 UTC · 07:06 local time (DEN)

Typical time airborne

211 min

Median departure deviation from the usual time on this route

+1 min

Departures within 15 minutes of the usual time

85 %

Departures measured

47

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: 21
• BOEING 737 MAX 8 (B38M) — Number of flights: 7
• BOEING 737-800 (B738) — Number of flights: 5

Aircraft in the last 7 days

• N8607M · BOEING 737-800 2026-10-26
• N475WN · BOEING 737-700 2026-10-25
• N7877H · BOEING 737-700 2026-10-25
• N241WN · BOEING 737-700 2026-10-25
• N8310C · BOEING 737-800 2026-10-23
• N8321D · BOEING 737-800 2026-10-22

Related flights on this route

• All flights KPHL – KDEN