Schedule: a typical summer Sunday (the flights of Jul 26, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
SOUTHWEST · FLIGHT WN 1509
SCHEDULED · TYPICAL SCHEDULE
Sunday, October 4
WN 1509 · DEN → CMH
departs 2:45 PM MT · arrives 7:25 PM ET
Forecast issued Fri 12:00 AM ET · 65h before departure
Watch this flight
Other days
Today 39%
Sun 10/4
Mon 10/5 25%
Tue 10/6 23%
Wed 10/7 22%
Thu 10/8 11%
Odds over time
Arrive at CMH more than 15 minutes late?
36%
chance · ±4 pts
– · 24h
HOW SURE WE ARE
Moderate. The odds now blend history with early weather forecasts.
Arrive 15+ late
36%
Leave 15+ late
38%
Arrive 1h+ late
9%
Cancelled
<1%
MOSTLY HISTORY
WEATHER FORECASTS
LIVE
IN THE AIR
0%
15%
30%
45%
60%
5.8d
Now
2d
1d
12h
6h
Departs
Lands
Arrive at CMH more than 15 minutes late?
Calm-weather odds: 30% · changed – in 24h
–
36%
Yes 36%
No 64%
Leave DEN more than 15 minutes late?
Calm-weather odds: 37% · changed – in 24h
–
38%
Yes 38%
No 62%
Arrive at CMH more than an hour late?
Calm-weather odds: 6% · changed – in 24h
–
9%
Yes 9%
No 91%
Cancelled?
Calm-weather odds: <1% · changed – in 24h
–
<1%
Yes <1%
No 100%
How late will it get to CMH?
On time or early
64%
15–30 min late
20%
30 min–1 hour late
7%
1–2 hours late
6%
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
↑
This flight has been late 32% of the time recently
↑
WN's recent on-time record
↓
Mostly benign weather forecast at CMH
Weather at each end
DEN (origin)
Gusts 28 kt Ceiling none (clear) Visibility 10+ mi Precip none
CMH (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.