Schedule: the flights that flew on Sunday, Oct 25, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
SOUTHWEST · FLIGHT WN 309
SCHEDULED · TYPICAL SCHEDULE
Sunday, November 1
WN 309 · ATL → MDW
departs 6:33 PM ET · arrives 7:43 PM CT
Forecast issued Fri 1:00 PM ET · 54h before departure
Watch this flight
Other days
Today 32%
Sun 11/1
Mon 11/2 28%
Tue 11/3 25%
Wed 11/4 28%
Thu 11/5 30%
Odds over time
Arrive at MDW more than 15 minutes late?
28%
chance · ±2 pts
– · 24h
HOW SURE WE ARE
Moderate. The odds now blend history with early weather forecasts.
Arrive 15+ late
28%
Leave 15+ late
48%
Arrive 1h+ late
10%
Cancelled
<1%
MOSTLY HISTORY
WEATHER FORECASTS
LIVE
IN THE AIR
0%
10%
20%
30%
40%
6.8d
Now
1d
12h
6h
Departs
Lands
Arrive at MDW more than 15 minutes late?
Calm-weather odds: 33% · changed – in 24h
–
28%
Yes 28%
No 72%
Leave ATL more than 15 minutes late?
Calm-weather odds: 48% · changed – in 24h
–
48%
Yes 48%
No 52%
Arrive at MDW more than an hour late?
Calm-weather odds: 7% · changed – in 24h
–
10%
Yes 10%
No 90%
Cancelled?
Calm-weather odds: <1% · changed – in 24h
–
<1%
Yes <1%
No 99%
How late will it get to MDW?
On time or early
71%
15–30 min late
2%
30 min–1 hour late
16%
1–2 hours late
8%
Over 2 hours late
3%
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
↑
Later flights pick up delays from earlier in the day
↑
6pm departures from ATL are often late
↓
ATL usually runs smoothly
↓
Other factors
Weather at each end
ATL (origin)
Gusts 23 kt Ceiling 3,000 ft Visibility 10+ mi Precip 0.05 in
MDW (destination)
Gusts 10 kt Ceiling 1,033 ft Visibility 5 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.