Schedule: a typical Wednesday (the flights of Jul 29, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.
SOUTHWEST · FLIGHT WN 4541
SCHEDULED · TYPICAL SCHEDULE
Wednesday, September 30 Today
WN 4541 · LAX → MDW
departs 5:00 PM PT · arrives 11:00 PM CT
Forecast issued Wed 3:00 PM ET · 5h before departure
Watch this flight
Other days
Today
Thu 10/1 44%
Fri 10/2 36%
Mon 10/5 29%
Tue 10/6 25%
Odds over time
Arrive at MDW more than 15 minutes late?
40%
chance · ±0 pts
+10 pts · 24h
HOW SURE WE ARE
High. The odds now come mostly from live FAA and airport data.
Arrive 15+ late
40%
Leave 15+ late
61%
Arrive 1h+ late
11%
Cancelled
<1%
WEATHER FORECASTS
LIVE
IN THE AIR
0%
15%
30%
45%
60%
2.8d
2d
1d
12h
Now
Departs
Lands
Arrive at MDW more than 15 minutes late?
Calm-weather odds: 27% · changed +10 pts in 24h
+10 pts
40%
Yes 40%
No 60%
Leave LAX more than 15 minutes late?
Calm-weather odds: 38% · changed +23 pts in 24h
+23 pts
61%
Yes 61%
No 39%
Arrive at MDW more than an hour late?
Calm-weather odds: 8% · changed +3 pts in 24h
+3 pts
11%
Yes 11%
No 89%
Cancelled?
Calm-weather odds: <1% · changed +0 pts in 24h
+0 pts
<1%
Yes <1%
No 100%
How late will it get to MDW?
On time or early
60%
15–30 min late
19%
30 min–1 hour late
10%
1–2 hours late
9%
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
↑
WN's recent on-time record
↑
Cloud base down to 1,000 ft, visibility down to 2.5 mi, 1.1 in of rain forecast at MDW that day
↑
5pm departures from LAX are often late
↓
Wednesdays in September are usually quieter than average
↓
Cloud base down to 1,000 ft forecast at LAX that day
Weather at each end
LAX (origin)
Gusts 11 kt Ceiling 1,000 ft Visibility 7 mi Precip none
MDW (destination)
Gusts 17 kt Ceiling 1,000 ft Visibility 2.5 mi Precip 1.09 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.