Schedule: a typical summer Monday (the flights of Jul 27, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.

UNITED · FLIGHT UA 1439 SCHEDULED · TYPICAL SCHEDULE

Monday, October 5

UA 1439 · IAH → DFW

departs 4:20 PM CT · arrives 5:46 PM CT

Forecast issued Sat 12:00 PM ET · 53h before departure

Arrive at DFW more than 15 minutes late?

18% chance · ±3 pts – · 24h

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

How late will it get to DFW?

On time or early
82%
15–30 min late
6%
30 min–1 hour late
6%
1–2 hours late
4%
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

↑ Arrivals into DFW at that hour are often late

↑ This flight has been late 29% of the time recently

↑ 4pm departures from IAH are often late

↓ Mondays in October are usually quieter than average

↓ Mostly benign weather forecast at DFW

Weather at each end

IAH (origin) Gusts17 kt Ceiling4,900 ft Visibility10+ mi Precipnone

DFW (destination) Gusts14 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 1439 · IAH → DFW

Odds over time

How late will it get to DFW?