Schedule: a typical Wednesday (the flights of Jul 29, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.

SOUTHWEST · FLIGHT WN 4540 SCHEDULED · TYPICAL SCHEDULE

Wednesday, September 30 Tomorrow

WN 4540 · LAS → BUR

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

Forecast issued Tue 8:00 PM ET · 21h before departure

WN 4540 isn’t flying LAS → BUR on Wed, Sep 30

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

SJC → SAN · 1:04 PM · scheduled