Schedule: the flights that flew on Wednesday, Oct 7, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
DELTA · FLIGHT DL 1821
SCHEDULED · TYPICAL SCHEDULE
Wednesday, October 14
DL 1821 · DTW → PWM
departs 2:05 PM ET · arrives 4:01 PM ET
Forecast issued Mon 11:00 AM ET · 51h before departure
Watch this flight
Other days
Today 19%
Tue 10/13 11%
Wed 10/14
Thu 10/15 17%
Fri 10/16 16%
Sat 10/17 15%
Sun 10/18 18%
Odds over time
Arrive at PWM more than 15 minutes late?
12%
chance · ±1 pts
– · 24h
HOW SURE WE ARE
Moderate. The odds now blend history with early weather forecasts.
Arrive 15+ late
12%
Leave 15+ late
13%
Arrive 1h+ late
3%
Cancelled
<1%
MOSTLY HISTORY
WEATHER FORECASTS
LIVE
IN THE AIR
0%
5%
10%
15%
20%
6.6d
Now
1d
12h
6h
Departs
Lands
Arrive at PWM more than 15 minutes late?
Calm-weather odds: 7% · changed – in 24h
–
12%
Yes 12%
No 88%
Leave DTW more than 15 minutes late?
Calm-weather odds: 9% · changed – in 24h
–
13%
Yes 13%
No 87%
Arrive at PWM more than an hour late?
Calm-weather odds: 2% · changed – in 24h
–
3%
Yes 3%
No 97%
Cancelled?
Calm-weather odds: <1% · changed – in 24h
–
<1%
Yes <1%
No 99%
How late will it get to PWM?
On time or early
88%
15–30 min late
2%
30 min–1 hour late
6%
1–2 hours late
2%
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
↑
Other factors
↑
2pm departures from DTW are often late
↓
Wednesdays in October are usually quieter than average
↓
This flight has been late 15% of the time recently
Weather at each end
DTW (origin)
Gusts 11 kt Ceiling 200 ft Visibility 9 mi Precip 0.06 in
PWM (destination)
Gusts 12 kt Ceiling 200 ft Visibility 0.6 mi Precip 0.25 in
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.