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.

SOUTHWEST · FLIGHT WN 4253 SCHEDULED · TYPICAL SCHEDULE
Today

WN 4253 · HOU → FLL

departs 1:25 PM CT · arrives 4:55 PM ET
Forecast issued Thu 6:00 PM ET · 4h after departure

Odds over time

Arrive at FLL more than 15 minutes late?
74% chance · ±3 pts +16 pts · 24h
HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.
WEATHER FORECASTS LIVE IN THE AIR 0% 25% 50% 75% 100% 2.9d 2d 1d 12h 6h Departs Lands Now

How late will it get to FLL?

  1. On time or early
    22%
  2. 15–30 min late
    8%
  3. 30 min–1 hour late
    27%
  4. 1–2 hours late
    20%
  5. Over 2 hours late
    8%
  6. Cancelled
    16%

Gate arrival compared with the scheduled arrival. The ranges add up to 100%.