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 1624 PROBABLY LANDED (THE FAA HASN'T CONFIRMED THE LANDING TIME) · SCHEDULED TIME UNKNOWN

Wednesday, September 30 Yesterday

WN 1624 · DEN → PHL

took off 6:54 PM MT · probably landed (not confirmed) (scheduled time unknown)

Forecast issued Wed 10:00 PM ET · 1h after departure

Arrive at PHL more than 15 minutes late?

44% chance · ±3 pts −12 pts · 24h

HOW SURE WE ARE Very high. The odds now come almost entirely from live conditions.

What’s moving the odds

↑ 6pm departures from DEN are often late

↑ This flight has been late 31% of the time recently

↑ Later flights pick up delays from earlier in the day

↓ Wednesdays in September are usually quieter than average

↓ Mostly benign weather forecast at PHL

Weather at each end

DEN (origin) Gusts20 kt Ceiling8,000 ft Visibility10+ mi Precip0.03 in

PHL (destination) Gusts8 kt Ceiling4,500 ft 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.

WN 1624 · DEN → PHL

Odds over time