Schedule: a typical Thursday (the flights of Jul 30, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.

DELTA · FLIGHT DL 1638 SCHEDULED · TYPICAL SCHEDULE

Thursday, October 1 Tomorrow

DL 1638 · JFK → PBI

departs 3:45 PM ET · arrives 7:04 PM ET

Forecast issued Wed 10:00 PM ET · 18h before departure

DL 1638 isn’t flying JFK → PBI on Thu, Oct 1

This listing came from a typical schedule. According to the FAA, DL 1638 flies these legs that day:

JFK → DJT · 3:59 PM · scheduled
DJT → JFK · 8:08 PM · scheduled