Schedule: a typical summer Sunday (the flights of Jul 26, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
UNITED · FLIGHT UA 2739SCHEDULED · TYPICAL SCHEDULE
UA 2739 · IAD → ATL
departs 8:15 AM ET · arrives 10:14 AM ET
Forecast issued Fri 11:00 AM ET · 45h before departure
Odds over time
Arrive at ATL more than 15 minutes late?
19%chance · ±3 pts+5 pts · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to ATL?
On time or early
80%
15–30 min late
9%
30 min–1 hour late
5%
1–2 hours late
1%
Over 2 hours late
3%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.