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 645 SCHEDULED · TYPICAL SCHEDULE
Tomorrow

WN 645 · FLL → CMH

departs 7:45 PM ET · arrives 10:30 PM ET
Forecast issued Wed 5:00 AM ET · 39h before departure

Odds over time

Arrive at CMH more than 15 minutes late?
36% chance · ±4 pts +1 pt · 24h
HOW SURE WE ARE Moderate. The odds now blend history with early weather forecasts.
WEATHER FORECASTS LIVE IN THE AIR 0% 15% 30% 45% 60% 2.9d 2d Now 1d 12h 6h Departs Lands

How late will it get to CMH?

  1. On time or early
    61%
  2. 15–30 min late
    9%
  3. 30 min–1 hour late
    15%
  4. 1–2 hours late
    5%
  5. Over 2 hours late
    5%
  6. Cancelled
    4%

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