Schedule: the flights that flew on Thursday, Oct 22, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.

UNITED · FLIGHT UA 1777 SCHEDULED · TYPICAL SCHEDULE

Thursday, October 29

UA 1777 · SFO → LAS

departs 12:31 PM PT · arrives 2:21 PM PT

Forecast issued Tue 2:00 AM ET · 62h before departure

Arrive at LAS more than 15 minutes late?

26% chance · ±6 pts – · 24h

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

How late will it get to LAS?

On time or early
74%
15–30 min late
7%
30 min–1 hour late
11%
1–2 hours late
6%
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

↑ 12pm departures from SFO are often late

↑ This flight has been late 46% of the time recently

↑ SFO is prone to delays

↓ Mostly benign weather forecast at SFO

↓ Mostly benign weather forecast at LAS

Weather at each end

SFO (origin) Gusts12 kt Ceilingnone (clear) Visibility10+ mi Precipnone

LAS (destination) Gusts11 kt Ceilingnone (clear) Visibility10+ mi Precipnone

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 1777 · SFO → LAS

Odds over time

How late will it get to LAS?