Schedule: a typical summer Friday (the flights of Jul 31, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
UNITED · FLIGHT UA 678SCHEDULED · TYPICAL SCHEDULE
Today
UA 678 · IAH → LGA
departs 9:47 AM CT · arrives 2:29 PM ET
Forecast issued Fri 5:00 AM ET · 6h before departure
Odds over time
Arrive at LGA more than 15 minutes late?
35%chance · ±0 pts+10 pts · 24h
HOW SURE WE AREHigh. The odds now come mostly from live FAA and airport data.
How late will it get to LGA?
On time or early
62%
15–30 min late
14%
30 min–1 hour late
6%
1–2 hours late
10%
Over 2 hours late
4%
Cancelled
5%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.