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 2747SCHEDULED · TYPICAL SCHEDULE
UA 2747 · BUF → ORD
departs 6:04 PM ET · arrives 7:03 PM CT
Forecast issued Fri 9:00 AM ET · 57h before departure
Odds over time
Arrive at ORD more than 15 minutes late?
22%chance · ±5 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
6%
1–2 hours late
3%
Over 2 hours late
2%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.