Schedule: the flights that flew on Friday, Oct 23, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.

UNITED · FLIGHT UA 658 SCHEDULED · TYPICAL SCHEDULE

Friday, October 30 Tomorrow

UA 658 · ORD → ONT

departs 8:18 PM CT · arrives 10:51 PM PT

Forecast issued Thu 5:00 AM ET · 40h before departure

Arrive at ONT more than 15 minutes late?

37% chance · ±4 pts +7 pts · 24h

HOW SURE WE ARE Moderate. The odds now blend history with early weather forecasts.

How late will it get to ONT?

On time or early
63%
15–30 min late
19%
30 min–1 hour late
7%
1–2 hours late
9%
Over 2 hours late
2%
Cancelled
<1%

Gate arrival compared with the scheduled arrival. The ranges add up to 100%.

What’s moving the odds

↑ 8pm departures from ORD are often late

↑ This flight has been late 28% of the time recently

↑ Later flights pick up delays from earlier in the day

↓ Mostly benign weather forecast at ORD

↓ Fridays in October are usually quieter than average

Weather at each end

ORD (origin) Gusts9 kt Ceiling9,000 ft Visibility10+ mi Precipnone

ONT (destination) Gusts14 kt Ceiling3,700 ft Visibility6 mi Precip0.01 in

How this resolves

Yes if the gate arrival is more than 15 minutes after the scheduled arrival. Cancelled or diverted flights resolve N/A.

Every question here is display only — there is no betting or money involved. Gate times come from the airline; a cancellation resolves only the “Cancelled?” question, and a diversion voids the delay questions.

UA 658 · ORD → ONT

Odds over time

How late will it get to ONT?