Schedule: a typical summer Monday (the flights of Jul 27, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.

SOUTHWEST · FLIGHT WN 644 SCHEDULED · TYPICAL SCHEDULE

Monday, October 5 Tomorrow

WN 644 · SAN → BOI

departs 9:05 PM PT · arrives 12:25 AM MT

Forecast issued Sun 7:00 PM ET · 29h before departure

WN 644 isn’t flying SAN → BOI on Mon, Oct 5

This listing came from a typical schedule. According to the FAA, WN 644 flies these legs that day:

BNA → MDW · 7:39 AM · scheduled