Schedule: the flights that flew on Monday, Oct 5, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.

UNITED · FLIGHT UA 3937 SCHEDULED · TYPICAL SCHEDULE
Today

UA 3937 · CLE → IAD

departs 8:00 AM ET · arrives 9:28 AM ET
Forecast issued Mon 3:00 AM ET · 5h before departure

Odds over time

Arrive at IAD more than 15 minutes late?
9% chance · ±0 pts +3 pts · 24h
HOW SURE WE ARE High. The odds now come mostly from live FAA and airport data.
MOSTLY HISTORY WEATHER FORECASTS LIVE IN THE AIR 0% 3% 6% 9% 12% 6.3d 2d 1d 12h Now Departs Lands

How late will it get to IAD?

  1. On time or early
    90%
  2. 15–30 min late
    2%
  3. 30 min–1 hour late
    3%
  4. 1–2 hours late
    1%
  5. Over 2 hours late
    3%
  6. Cancelled
    <1%

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