Schedule: the flights that flew on Wednesday, Oct 21, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.

DELTA · FLIGHT DL 506 SCHEDULED · TYPICAL SCHEDULE

Wednesday, October 28

DL 506 · SEA → MIA

departs 8:09 AM PT · arrives 5:16 PM ET

Forecast issued Tue 1:00 AM ET · 34h before departure

DL 506 isn’t flying SEA → MIA on Wed, Oct 28

This listing came from a typical schedule. According to the FAA, DL 506 flies these legs that day:

MIA → SEA · 6:27 PM · scheduled