Schedule: a typical Wednesday (the flights of Jul 29, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.

DELTA · FLIGHT DL 1638 SCHEDULED · TYPICAL SCHEDULE

Wednesday, September 30 Yesterday

DL 1638 · PBI → JFK

departs 7:57 PM ET · arrives 10:59 PM ET

Forecast issued Wed 10:00 PM ET · 2h after departure

DL 1638 isn’t flying PBI → JFK on Wed, Sep 30

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

JFK → DJT · 3:59 PM · scheduled
JFK → DJT · 4:04 PM · landed
DJT → JFK · 7:56 PM · in the air
DJT → JFK · 8:07 PM · scheduled
DJT → JFK · 8:07 PM · scheduled