Schedule: the flights that flew on Saturday, Oct 24, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
SOUTHWEST · FLIGHT WN 803
SCHEDULED · TYPICAL SCHEDULE
Saturday, October 31
WN 803 · BOS → DEN
departs 4:06 PM ET · arrives 6:23 PM MT
Forecast issued Thu 2:00 AM ET · 62h before departure
Watch this flight
Other days
Sat 10/31
Sun 11/1 53%
Tue 11/3 49%
Wed 11/4 42%
Odds over time
Arrive at DEN more than 15 minutes late?
31%
chance · ±3 pts
– · 24h
HOW SURE WE ARE
Moderate. The odds now blend history with early weather forecasts.
Arrive 15+ late
31%
Leave 15+ late
31%
Arrive 1h+ late
3%
Cancelled
<1%
MOSTLY HISTORY
WEATHER FORECASTS
LIVE
IN THE AIR
0%
15%
30%
45%
60%
6.7d
Now
2d
1d
12h
6h
Departs
Lands
Arrive at DEN more than 15 minutes late?
Calm-weather odds: 28% · changed – in 24h
–
31%
Yes 31%
No 69%
Leave BOS more than 15 minutes late?
Calm-weather odds: 30% · changed – in 24h
–
31%
Yes 31%
No 69%
Arrive at DEN more than an hour late?
Calm-weather odds: 4% · changed – in 24h
–
3%
Yes 3%
No 97%
Cancelled?
Calm-weather odds: <1% · changed – in 24h
–
<1%
Yes <1%
No 100%
How late will it get to DEN?
On time or early
68%
15–30 min late
19%
30 min–1 hour late
9%
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
↑
Arrivals into DEN at that hour are often late
↑
This flight has been late 33% of the time recently
↑
4pm departures from BOS are often late
↓
Mostly benign weather forecast at BOS
↓
Mostly benign weather forecast at DEN
Weather at each end
BOS (origin)
Gusts 17 kt Ceiling none (clear) Visibility 10+ mi Precip none
DEN (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.