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 4318
SCHEDULED · TYPICAL SCHEDULE
Wednesday, September 30 Today
WN 4318 · STL → OMA
departs 8:35 AM CT · arrives 9:50 AM CT
Forecast issued Wed 9:00 AM ET · 1h before departure
Watch this flight
Other days
Today
Thu 10/1 9%
Fri 10/2 6%
Mon 10/5 5%
Tue 10/6 6%
Odds over time
Arrive at OMA more than 15 minutes late?
11%
chance · ±0 pts
+0 pts · 24h
HOW SURE WE ARE
Very high. The odds now come almost entirely from live conditions.
Arrive 15+ late
11%
Leave 15+ late
8%
Arrive 1h+ late
3%
Cancelled
<1%
WEATHER FORECASTS
LIVE
IN THE AIR
0%
5%
10%
15%
20%
2.9d
2d
1d
12h
6h
Now
Departs
Lands
Arrive at OMA more than 15 minutes late?
Calm-weather odds: 10% · changed +0 pts in 24h
+0 pts
11%
Yes 11%
No 89%
Leave STL more than 15 minutes late?
Calm-weather odds: 8% · changed +1 pt in 24h
+1 pt
8%
Yes 8%
No 92%
Arrive at OMA more than an hour late?
Calm-weather odds: 2% · changed −1 pt in 24h
−1 pt
3%
Yes 3%
No 97%
Cancelled?
Calm-weather odds: <1% · changed +0 pts in 24h
+0 pts
<1%
Yes <1%
No 99%
How late will it get to OMA?
On time or early
88%
15–30 min late
5%
30 min–1 hour late
3%
1–2 hours late
2%
Over 2 hours late
<1%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.
What’s moving the odds
↑
Cloud base down to 500 ft, visibility down to 2 mi, 2.0 in of rain forecast at OMA that day
↑
Other factors
↑
This flight has been late 17% of the time recently
↓
Mostly benign weather forecast at STL
↓
Early flights usually leave on time
Weather at each end
STL (origin)
Gusts 14 kt Ceiling 9,000 ft Visibility 10+ mi Precip none
OMA (destination)
Gusts 8 kt Ceiling 500 ft Visibility 2 mi Precip 2.01 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.