Schedule: a typical Tuesday (the flights of Jul 28, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.

SOUTHWEST · FLIGHT WN 4540 SCHEDULED · TYPICAL SCHEDULE

Tuesday, September 29 Today

WN 4540 · LAS → BUR

departs 2:20 PM PT · arrives 3:30 PM PT

Forecast issued Tue 10:00 PM ET · 5h after departure

WN 4540 isn’t flying LAS → BUR today

This listing came from a typical schedule. According to the FAA, WN 4540 flies these legs today:

SJC → SAN · 1:03 PM · landed
SJC → SAN · 1:14 PM · scheduled