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 1791 SCHEDULED · TYPICAL SCHEDULE

Monday, October 5 Tomorrow

DL 1791 · ATL → SJU

departs 4:59 PM ET · arrives 8:45 PM AT

Forecast issued Sun 10:00 AM ET · 31h before departure

DL 1791 isn’t flying ATL → SJU on Mon, Oct 5

This listing came from a typical schedule. According to the FAA, DL 1791 flies these legs that day:

DTW → LGA · 9:00 AM · scheduled