Schedule: a typical Wednesday (the flights of Jul 29, 2026, re-dated). Real flights replace these once the FAA publishes them, usually about a day ahead.
SKYWEST · FLIGHT OO 4155
SCHEDULED · TYPICAL SCHEDULE
Wednesday, September 30 Today
OO 4155 · EUG → SLC
departs 1:40 PM PT · arrives 4:39 PM MT
Forecast issued Wed 9:00 AM ET · 8h before departure
Watch this flight
Other days
Today
Thu 10/1 10%
Fri 10/2 11%
Sat 10/3 11%
Sun 10/4 14%
Mon 10/5 12%
Tue 10/6 9%
Odds over time
Arrive at SLC more than 15 minutes late?
10%
chance · ±0 pts
+2 pts · 24h
HOW SURE WE ARE
Good. The odds now lean mostly on firmed-up weather forecasts.
Arrive 15+ late
10%
Leave 15+ late
12%
Arrive 1h+ late
4%
Cancelled
<1%
WEATHER FORECASTS
LIVE
IN THE AIR
0%
5%
10%
15%
20%
2.9d
2d
1d
12h
Now
6h
Departs
Lands
Arrive at SLC more than 15 minutes late?
Calm-weather odds: 14% · changed +2 pts in 24h
+2 pts
10%
Yes 10%
No 90%
Leave EUG more than 15 minutes late?
Calm-weather odds: 16% · changed +2 pts in 24h
+2 pts
12%
Yes 12%
No 88%
Arrive at SLC more than an hour late?
Calm-weather odds: 5% · 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 SLC?
On time or early
90%
15–30 min late
2%
30 min–1 hour late
4%
1–2 hours late
2%
Over 2 hours late
3%
Cancelled
<1%
Gate arrival compared with the scheduled arrival. The ranges add up to 100%.
What’s moving the odds
↑
OO's recent on-time record
↑
EUG is prone to delays
↑
1pm departures from EUG are often late
↓
This flight has been late 15% of the time recently
↓
Mostly benign weather forecast at SLC
Weather at each end
EUG (origin)
Gusts 15 kt Ceiling 100 ft Visibility 0.5 mi Precip none
SLC (destination)
Gusts 16 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.