Schedule: a typical summer Friday (the flights of Jul 31, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.

SOUTHWEST · FLIGHT WN 3429 SCHEDULED · TYPICAL SCHEDULE

Friday, October 2 Yesterday

WN 3429 · PHX → SEA

departs 10:45 PM MT · arrives 1:45 AM PT

Forecast issued Fri 10:00 PM ET · 4h before departure

WN 3429 isn’t flying PHX → SEA on Fri, Oct 2

This listing came from a typical schedule. According to the FAA, WN 3429 flies these legs that day:

PHX → MDW · 12:48 AM · scheduled
PHX → MDW · 12:48 AM · scheduled
PHX → MDW · 2:02 AM · landed