Tracked live by the FAA, but its flight plan was first seen after takeoff, so we don't know the scheduled time and can't say whether it's late.

SOUTHWEST · FLIGHT WN 257 IN THE AIR (OFF 6:11 AM CT, ETA 6:50 AM CT) · SCHEDULED TIME UNKNOWN

Saturday, October 3 Today

WN 257 · SAT → DAL

took off 6:11 AM CT · expected to land 6:50 AM CT (scheduled time unknown)

Forecast issued Sat 6:00 AM ET · 1h before departure

Arrive at DAL more than 15 minutes late?

12% chance · ±1 pts – · 24h

HOW SURE WE ARE High. The odds now come mostly from live FAA and airport data.

What’s moving the odds

↑ Cloud base down to 600 ft forecast at DAL that day

↑ Other factors

↑ Mostly benign weather forecast at SAT

↓ Early flights usually leave on time

↓ Arrivals into DAL at that hour are usually not late

Weather at each end

SAT (origin) Gusts22 kt Ceiling1,800 ft Visibility10+ mi Precip0.02 in

DAL (destination) Gusts14 kt Ceiling500 ft Visibility5 mi Precip0.20 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.

WN 257 · SAT → DAL

Odds over time