Schedule: the flights that flew on Tuesday, Oct 6, re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
DELTA · FLIGHT DL 2817
SCHEDULED · TYPICAL SCHEDULE
Tuesday, October 13
DL 2817 · SLC → SEA
departs 3:15 PM MT · arrives 4:28 PM PT
Forecast issued Sun 6:00 PM ET · 47h before departure
Watch this flight
Other days
Today 31%
Mon 10/12 37%
Tue 10/13
Wed 10/14 19%
Thu 10/15 27%
Fri 10/16 32%
Sat 10/17 24%
Odds over time
Arrive at SEA more than 15 minutes late?
27%
chance · ±8 pts
+1 pt · 24h
HOW SURE WE ARE
Moderate. The odds now blend history with early weather forecasts.
Arrive 15+ late
27%
Leave 15+ late
18%
Arrive 1h+ late
5%
Cancelled
<1%
MOSTLY HISTORY
WEATHER FORECASTS
LIVE
IN THE AIR
0%
10%
20%
30%
40%
6.7d
Now
1d
12h
6h
Departs
Lands
Arrive at SEA more than 15 minutes late?
Calm-weather odds: 14% · changed +1 pt in 24h
+1 pt
27%
Yes 27%
No 73%
Leave SLC more than 15 minutes late?
Calm-weather odds: 11% · changed −1 pt in 24h
−1 pt
18%
Yes 18%
No 82%
Arrive at SEA more than an hour late?
Calm-weather odds: 2% · changed +1 pt in 24h
+1 pt
5%
Yes 5%
No 95%
Cancelled?
Calm-weather odds: <1% · changed +0 pts in 24h
+0 pts
<1%
Yes <1%
No 99%
How late will it get to SEA?
On time or early
72%
15–30 min late
14%
30 min–1 hour late
8%
1–2 hours late
3%
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
↑
0.8 in of rain forecast at SLC that day
↑
Later flights pick up delays from earlier in the day
↑
Arrivals into SEA at that hour are often late
↓
Tuesdays in October are usually quieter than average
↓
Cloud base down to 800 ft forecast at SEA that day
Weather at each end
SLC (origin)
Gusts 15 kt Ceiling 1,800 ft Visibility 10+ mi Precip 0.83 in
SEA (destination)
Gusts 5 kt Ceiling 800 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.