Schedule: a typical Saturday (the flights of Jul 25, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.
UNITED · FLIGHT UA 516SCHEDULED · TYPICAL SCHEDULE
UA 516 · ATL → ORD
departs 3:30 PM ET · arrives 4:57 PM CT
Forecast issued Thu 8:00 PM ET · 44h before departure
Odds over time
Arrive at ORD more than 15 minutes late?
22%chance · ±2 pts+0 pts · 24h
HOW SURE WE AREModerate. The odds now blend history with early weather forecasts.
How late will it get to ORD?
On time or early
78%
15–30 min late
11%
30 min–1 hour late
5%
1–2 hours late
4%
Over 2 hours late
2%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.