Schedule: the flights that flew on Wednesday, Oct 7, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.

UNITED · FLIGHT UA 3930 SCHEDULED · TYPICAL SCHEDULE

UA 3930 · IAH → IAD

departs 12:58 AM CT · arrives 4:51 AM ET
Forecast issued Mon 3:00 PM ET · 35h before departure

Odds over time

Arrive at IAD more than 15 minutes late?
8% chance · ±1 pts −1 pt · 24h
HOW SURE WE ARE Moderate. The odds now blend history with early weather forecasts.
MOSTLY HISTORY WEATHER FORECASTS LIVE IN THE AIR 0% 5% 10% 15% 20% 6.1d 2d Now 1d 12h 6h Departs Lands

How late will it get to IAD?

  1. On time or early
    91%
  2. 15–30 min late
    <1%
  3. 30 min–1 hour late
    5%
  4. 1–2 hours late
    2%
  5. Over 2 hours late
    1%
  6. Cancelled
    <1%

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