Schedule: a typical summer Friday (the flights of Jul 31, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.

SOUTHWEST · FLIGHT WN 2143 SCHEDULED · TYPICAL SCHEDULE

Friday, October 2 Yesterday

WN 2143 · ISP → BWI

departs 12:30 PM ET · arrives 1:45 PM ET

Forecast issued Fri 10:00 PM ET · 10h after departure

WN 2143 isn’t flying ISP → BWI on Fri, Oct 2

This listing came from a typical schedule. According to the FAA, WN 2143 flies these legs that day:

HRL → HOU · 6:40 PM · scheduled
HRL → HOU · 8:13 PM · landed