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 686SCHEDULED · TYPICAL SCHEDULE
Today
UA 686 · SFO → IAH
departs 7:05 AM PT · arrives 1:11 PM CT
Forecast issued Fri 9:00 PM ET · 11h after departure
Odds over time
Arrive at IAH more than 15 minutes late?
10%chance · ±0 pts−6 pts · 24h
HOW SURE WE AREVery high. The odds now come almost entirely from live conditions.
How late will it get to IAH?
On time or early
89%
15–30 min late
2%
30 min–1 hour late
4%
1–2 hours late
3%
Over 2 hours late
<1%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.