Schedule: the flights that flew on Sunday, Nov 8, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
SOUTHWEST · FLIGHT WN 3540
SCHEDULED · TYPICAL SCHEDULE
Sunday, November 15
WN 3540 · PIT → BWI
departs 12:25 PM ET · arrives 1:39 PM ET
Forecast issued Fri 12:00 PM ET · 48h before departure
Watch this flight
Other days
Today 18%
Sun 11/15
Mon 11/16 17%
Thu 11/19 15%
Odds over time
Arrive at BWI more than 15 minutes late?
9%
chance · ±1 pts
+0 pts · 24h
HOW SURE WE ARE
Moderate. The odds now blend history with early weather forecasts.
Arrive 15+ late
9%
Leave 15+ late
16%
Arrive 1h+ late
3%
Cancelled
<1%
MOSTLY HISTORY
WEATHER FORECASTS
LIVE
IN THE AIR
0%
10%
20%
30%
40%
6.5d
Now
1d
12h
6h
Departs
Lands
Arrive at BWI more than 15 minutes late?
Calm-weather odds: 8% · changed +0 pts in 24h
+0 pts
9%
Yes 9%
No 91%
Leave PIT more than 15 minutes late?
Calm-weather odds: 15% · changed +1 pt in 24h
+1 pt
16%
Yes 16%
No 84%
Arrive at BWI more than an hour late?
Calm-weather odds: 3% · changed +0 pts in 24h
+0 pts
3%
Yes 3%
No 97%
Cancelled?
Calm-weather odds: <1% · changed +0 pts in 24h
+0 pts
<1%
Yes <1%
No 99%
How late will it get to BWI?
On time or early
90%
15–30 min late
4%
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
↑
WN's recent on-time record
↑
12pm departures from PIT are often late
↓
PIT usually runs smoothly
↓
Sundays in November are usually quieter than average
Weather at each end
PIT (origin)
Gusts 16 kt Ceiling 2,300 ft Visibility 8 mi Precip 0.02 in
BWI (destination)
Gusts 19 kt Ceiling 4,000 ft 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.