Schedule: a typical summer Saturday (the flights of Jul 25, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
SOUTHWEST · FLIGHT WN 1837
SCHEDULED · TYPICAL SCHEDULE
Saturday, October 3 Tomorrow
WN 1837 · CMH → STL
departs 7:10 AM ET · arrives 7:35 AM CT
Forecast issued Fri 6:00 PM ET · 13h before departure
Watch this flight
Odds over time
Arrive at STL more than 15 minutes late?
6%
chance · ±0 pts
+3 pts · 24h
HOW SURE WE ARE
Good. The odds now lean mostly on firmed-up weather forecasts.
Arrive 15+ late
6%
Leave 15+ late
6%
Arrive 1h+ late
<1%
Cancelled
3%
WEATHER FORECASTS
LIVE
IN THE AIR
0%
3%
6%
9%
12%
4.4d
2d
1d
Now
6h
Departs
Lands
Arrive at STL more than 15 minutes late?
Calm-weather odds: 3% · changed +3 pts in 24h
+3 pts
6%
Yes 6%
No 94%
Leave CMH more than 15 minutes late?
Calm-weather odds: 3% · changed +2 pts in 24h
+2 pts
6%
Yes 6%
No 94%
Arrive at STL more than an hour late?
Calm-weather odds: <1% · changed +0 pts in 24h
+0 pts
<1%
Yes <1%
No 99%
Cancelled?
Calm-weather odds: <1% · changed +2 pts in 24h
+2 pts
3%
Yes 3%
No 97%
How late will it get to STL?
On time or early
91%
15–30 min late
4%
30 min–1 hour late
<1%
1–2 hours late
<1%
Over 2 hours late
<1%
Cancelled
3%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.
What’s moving the odds
↑
Other factors
↓
Early flights usually leave on time
↓
WN's recent on-time record
Weather at each end
CMH (origin)
Gusts 17 kt Ceiling none (clear) Visibility 10+ mi Precip none
STL (destination)
Gusts 10 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.