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 3940SCHEDULED · TYPICAL SCHEDULE
Tomorrow
UA 3940 · FLL → IAD
departs 11:04 AM ET · arrives 1:43 PM ET
Forecast issued Sun 5:00 PM ET · 18h before departure
Odds over time
Arrive at IAD more than 15 minutes late?
9%chance · ±0 pts−1 pt · 24h
HOW SURE WE AREGood. The odds now lean mostly on firmed-up weather forecasts.
How late will it get to IAD?
On time or early
91%
15–30 min late
<1%
30 min–1 hour late
3%
1–2 hours late
2%
Over 2 hours late
2%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.