WN4527 · SWA4527

SWA4527 over the last 30 days

As of 2026-10-25

SWA4527 is operated by Southwest Airlines on the route St. Louis Lambert International Airport (STL/KSTL) → Boston Logan International Airport (BOS/KBOS). It usually takes off around 15:25 UTC (10:25 local time, STL). It usually lands around 17:41 UTC (13:41 local time, BOS). Most frequent aircraft type: BOEING 737 MAX 8 (B38M).

Days with an observed flight (last 30 days)

8/30

Days of the week with an observed flight

Sat

Typical take-off

15:25 UTC · 10:25 local time (STL)

Typical landing

17:41 UTC · 13:41 local time (BOS)

Typical time airborne

132 min

Median departure deviation from the usual time on this route

+1 min

Departures within 15 minutes of the usual time

80 %

Departures measured

66

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: 4
• BOEING 737-700 (B737) — Number of flights: 3
• BOEING 737-800 (B738) — Number of flights: 1

Aircraft in the last 7 days

• N7855A · BOEING 737-700 2026-10-25
• N8810L · BOEING 737 MAX 8 2026-10-24

Related flights on this route

• All flights KSTL – KBOS