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 3448
SCHEDULED · TYPICAL SCHEDULE
Sunday, October 4 Tomorrow
WN 3448 · SAN → MDW
departs 3:40 PM PT · arrives 9:35 PM CT
Forecast issued Sat 4:00 AM ET · 39h before departure
Watch this flight
Other days
Sun 10/4
Mon 10/5 30%
Fri 10/9 34%
Odds over time
Arrive at MDW more than 15 minutes late?
39%
chance · ±0 pts
−2 pts · 24h
HOW SURE WE ARE
Moderate. The odds now blend history with early weather forecasts.
Arrive 15+ late
39%
Leave 15+ late
38%
Arrive 1h+ late
10%
Cancelled
<1%
MOSTLY HISTORY
WEATHER FORECASTS
LIVE
IN THE AIR
0%
15%
30%
45%
60%
5.9d
2d
Now
1d
12h
6h
Departs
Lands
Arrive at MDW more than 15 minutes late?
Calm-weather odds: 35% · changed −2 pts in 24h
−2 pts
39%
Yes 39%
No 61%
Leave SAN more than 15 minutes late?
Calm-weather odds: 37% · changed +0 pts in 24h
+0 pts
38%
Yes 38%
No 62%
Arrive at MDW more than an hour late?
Calm-weather odds: 6% · changed +1 pt in 24h
+1 pt
10%
Yes 10%
No 90%
Cancelled?
Calm-weather odds: <1% · changed +0 pts in 24h
+0 pts
<1%
Yes <1%
No 99%
How late will it get to MDW?
On time or early
61%
15–30 min late
12%
30 min–1 hour late
17%
1–2 hours late
8%
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
↑
SAN is prone to delays
↑
3pm departures from SAN are often late
↑
Later flights pick up delays from earlier in the day
↓
Mostly benign weather forecast at MDW
Weather at each end
SAN (origin)
Gusts 14 kt Ceiling none (clear) Visibility 10+ mi Precip none
MDW (destination)
Gusts 11 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.