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.

DELTA · FLIGHT DL 409 SCHEDULED · TYPICAL SCHEDULE

Monday, October 5 Tomorrow

DL 409 · SEA → ATL

departs 10:58 PM PT · arrives 6:45 AM ET

Forecast issued Sun 7:00 PM ET · 31h before departure

DL 409 isn’t flying SEA → ATL on Mon, Oct 5

This listing came from a typical schedule. According to the FAA, DL 409 flies these legs that day:

ONT → ATL · 7:09 AM · scheduled