Schedule: FAA flight plans.

FRONTIER · FLIGHT F9 4559 SCHEDULED
Today

F9 4559 · IAD → DFW

departs 4:27 PM ET · arrives 6:43 PM CT
Forecast issued Wed 2:00 AM ET · 14h before departure

Odds over time

Arrive at DFW more than 15 minutes late?
48% chance · ±5 pts – · 24h
HOW SURE WE ARE Good. The odds now lean mostly on firmed-up weather forecasts.
WEATHER FORECASTS LIVE IN THE AIR 0% 20% 40% 60% 80% 1.0d Now 12h 6h Departs Lands

How late will it get to DFW?

  1. On time or early
    51%
  2. 15–30 min late
    15%
  3. 30 min–1 hour late
    13%
  4. 1–2 hours late
    12%
  5. Over 2 hours late
    7%
  6. Cancelled
    2%

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