Schedule: a typical summer Friday (the flights of Jul 31, 2026), re-dated. Real flights replace these once airlines file their FAA flight plans, usually about a day ahead.
SKYWEST · FLIGHT OO 3740
SCHEDULED · TYPICAL SCHEDULE
Friday, October 2 Today
OO 3740 · BOI → SEA
departs 8:42 AM MT · arrives 9:30 AM PT
Forecast issued Fri 2:00 PM ET · 3h after departure
Watch this flight
Other days
Today
Sat 10/3 15%
Sun 10/4 18%
Mon 10/5 18%
Tue 10/6 20%
Wed 10/7 13%
Thu 10/8 17%
Odds over time
Arrive at SEA more than 15 minutes late?
19%
chance · ±0 pts
+3 pts · 24h
HOW SURE WE ARE
Very high. The odds now come almost entirely from live conditions.
Arrive 15+ late
19%
Leave 15+ late
13%
Arrive 1h+ late
4%
Cancelled
<1%
WEATHER FORECASTS
LIVE
IN THE AIR
0%
10%
20%
30%
40%
3.5d
2d
1d
12h
6h
Departs
Lands
Arrive at SEA more than 15 minutes late?
Calm-weather odds: 19% · changed +3 pts in 24h
+3 pts
19%
Yes 19%
No 81%
Leave BOI more than 15 minutes late?
Calm-weather odds: 13% · changed +1 pt in 24h
+1 pt
13%
Yes 13%
No 87%
Arrive at SEA more than an hour late?
Calm-weather odds: 4% · changed +0 pts in 24h
+0 pts
4%
Yes 4%
No 96%
Cancelled?
Calm-weather odds: <1% · changed +0 pts in 24h
+0 pts
<1%
Yes <1%
No 100%
How late will it get to SEA?
On time or early
81%
15–30 min late
10%
30 min–1 hour late
5%
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
↑
SEA is prone to delays
↑
Fridays in October are usually busier than average
↑
SEA is busy at that time
↓
Mostly benign weather forecast at BOI
↓
8am departures from BOI are usually not late
Weather at each end
BOI (origin)
Gusts 11 kt Ceiling none (clear) Visibility 10+ mi Precip none
SEA (destination)
Gusts 9 kt Ceiling 1,700 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.