Schedule: a typical Saturday (the flights of Jul 25, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.
SOUTHWEST · FLIGHT WN 997
SCHEDULED · TYPICAL SCHEDULE
Saturday, October 3
WN 997 · LAS → MDW
departs 4:20 PM PT · arrives 10:00 PM CT
Forecast issued Thu 9:00 PM ET · 46h before departure
Watch this flight
Odds over time
Arrive at MDW more than 15 minutes late?
20%
chance · ±1 pts
+1 pt · 24h
HOW SURE WE ARE
Moderate. The odds now blend history with early weather forecasts.
Arrive 15+ late
20%
Leave 15+ late
28%
Arrive 1h+ late
5%
Cancelled
<1%
MOSTLY HISTORY
WEATHER FORECASTS
LIVE
IN THE AIR
0%
10%
20%
30%
40%
4.9d
Now
1d
12h
6h
Departs
Lands
Arrive at MDW more than 15 minutes late?
Calm-weather odds: 16% · changed +1 pt in 24h
+1 pt
20%
Yes 20%
No 80%
Leave LAS more than 15 minutes late?
Calm-weather odds: 26% · changed −1 pt in 24h
−1 pt
28%
Yes 28%
No 72%
Arrive at MDW more than an hour late?
Calm-weather odds: 3% · changed +0 pts in 24h
+0 pts
5%
Yes 5%
No 95%
Cancelled?
Calm-weather odds: <1% · changed +0 pts in 24h
+0 pts
<1%
Yes <1%
No 99%
How late will it get to MDW?
On time or early
79%
15–30 min late
7%
30 min–1 hour late
8%
1–2 hours late
3%
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
↑
Later flights pick up delays from earlier in the day
↑
4pm departures from LAS are often late
↑
Arrivals into MDW at that hour are often late
↓
Mostly benign weather forecast at LAS
↓
Saturdays in October are usually quieter than average
Weather at each end
LAS (origin)
Gusts 11 kt Ceiling none (clear) Visibility 10+ mi Precip none
MDW (destination)
Gusts 8 kt Ceiling none (clear) Visibility 10+ mi Precip none
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.