Schedule: the flights that flew on Tuesday, Oct 6, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
MESA · FLIGHT YV 3999SCHEDULED · TYPICAL SCHEDULE
YV 3999 · CLE → IAD
departs 10:32 AM ET · arrives 11:57 AM ET
Forecast issued Sun 8:00 PM ET · 38h before departure
Odds over time
Arrive at IAD more than 15 minutes late?
11%chance · ±1 pts+0 pts · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to IAD?
On time or early
88%
15–30 min late
3%
30 min–1 hour late
4%
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%.