Schedule: a typical summer Sunday (the flights of Jul 26, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.

ALASKA · FLIGHT AS 643 SCHEDULED · TYPICAL SCHEDULE

Sunday, October 4 Today

AS 643 · DEN → SEA

departs 6:02 AM MT · arrives 8:05 AM PT

Forecast issued Sun 1:00 PM ET · 5h after departure

AS 643 isn’t flying DEN → SEA today

This listing came from a typical schedule. According to the FAA, AS 643 flies these legs today:

SJD → SAN · 2:16 PM · scheduled
SJD → SAN · 2:26 PM · landed
SJD → SAN · 2:16 PM · scheduled