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 4427
SCHEDULED · TYPICAL SCHEDULE
Sunday, October 4
WN 4427 · BNA → CMH
departs 10:00 AM CT · arrives 12:20 PM ET
Forecast issued Fri 2:00 AM ET · 57h before departure
Watch this flight
Other days
Today 23%
Sat 10/3 8%
Sun 10/4
Mon 10/5 8%
Tue 10/6 9%
Wed 10/7 9%
Odds over time
Arrive at CMH more than 15 minutes late?
12%
chance · ±0 pts
– · 24h
HOW SURE WE ARE
Moderate. The odds now blend history with early weather forecasts.
Arrive 15+ late
12%
Leave 15+ late
16%
Arrive 1h+ late
4%
Cancelled
<1%
MOSTLY HISTORY
WEATHER FORECASTS
LIVE
IN THE AIR
0%
5%
10%
15%
20%
5.5d
Now
2d
1d
12h
6h
Departs
Lands
Arrive at CMH more than 15 minutes late?
Calm-weather odds: 7% · changed – in 24h
–
12%
Yes 12%
No 88%
Leave BNA more than 15 minutes late?
Calm-weather odds: 9% · changed – in 24h
–
16%
Yes 16%
No 84%
Arrive at CMH more than an hour late?
Calm-weather odds: 2% · changed – in 24h
–
4%
Yes 4%
No 96%
Cancelled?
Calm-weather odds: <1% · changed – in 24h
–
<1%
Yes <1%
No 99%
How late will it get to CMH?
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 200 ft, visibility down to 2 mi, 0.4 in of rain forecast at BNA that day
↑
Other factors
↑
This flight has been late 17% of the time recently
↓
BNA usually runs smoothly
↓
Arrivals into CMH at that hour are usually not late
Weather at each end
BNA (origin)
Gusts 12 kt Ceiling 200 ft Visibility 2 mi Precip 0.41 in
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.