Schedule: a typical summer Saturday (the flights of Jul 25, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.

SOUTHWEST · FLIGHT WN 3535 SCHEDULED · TYPICAL SCHEDULE

WN 3535 · DAL → DEN

departs 8:35 PM CT · arrives 10:00 PM MT
Forecast issued Thu 10:00 PM ET · 48h before departure

Odds over time

Arrive at DEN more than 15 minutes late?
37% chance · ±4 pts +6 pts · 24h
HOW SURE WE ARE Moderate. The odds now blend history with early weather forecasts.
MOSTLY HISTORY WEATHER FORECASTS LIVE IN THE AIR 0% 15% 30% 45% 60% 5.0d Now 1d 12h 6h Departs Lands

How late will it get to DEN?

  1. On time or early
    62%
  2. 15–30 min late
    13%
  3. 30 min–1 hour late
    12%
  4. 1–2 hours late
    9%
  5. Over 2 hours late
    3%
  6. Cancelled
    1%

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