Schedule: a typical Thursday (the flights of Jul 30, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.

UNITED · FLIGHT UA 2155 SCHEDULED · TYPICAL SCHEDULE

Thursday, October 1 Tomorrow

UA 2155 · IDA → DEN

departs 2:30 PM MT · arrives 4:18 PM MT

Forecast issued Wed 4:00 AM ET · 36h before departure

Arrive at DEN more than 15 minutes late?

19% chance · ±4 pts −6 pts · 24h

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

How late will it get to DEN?

On time or early
81%
15–30 min late
9%
30 min–1 hour late
<1%
1–2 hours late
6%
Over 2 hours late
3%
Cancelled
<1%

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

What’s moving the odds

↑ Arrivals into DEN at that hour are often late

↑ This flight has been late 24% of the time recently

↑ DEN is busy at that time

↓ Mostly benign weather forecast at IDA

↓ Thursdays in October are usually quieter than average

Weather at each end

IDA (origin) Gusts14 kt Ceilingnone (clear) Visibility10+ mi Precipnone

DEN (destination) Gusts22 kt Ceiling9,000 ft Visibility7 mi Precip0.03 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 2155 · IDA → DEN

Odds over time

How late will it get to DEN?