Schedule: a typical summer Saturday (the flights of Jul 25, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
UNITED · FLIGHT UA 1642SCHEDULED · TYPICAL SCHEDULE
Yesterday
UA 1642 · SFO → DTW
departs 8:35 AM PT · arrives 4:27 PM ET
Forecast issued Sat 10:00 PM ET · 10h after departure
Odds over time
Arrive at DTW more than 15 minutes late?
15%chance · ±0 pts+5 pts · 24h
HOW SURE WE AREVery high. The odds now come almost entirely from live conditions.
How late will it get to DTW?
On time or early
85%
15–30 min late
8%
30 min–1 hour late
4%
1–2 hours late
1%
Over 2 hours late
2%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.