Thursday, October 8 · typical odds for a Thursday (too early for a weather forecast) · issued Sun 12:00 PM ET · 3 nonstops

Thu, Oct 8 looks like a normal day here: all 3 nonstops are 4–10% likely to arrive 15+ min late.

Safest bet that day DL 3708 EUG 06:00 → SLC 08:53 · 4% chance 15+ min late · usually 94% on time Riskiest OO 3817 EUG 13:43 → SLC 16:44 · 10% chance 15+ min late

Every nonstop on Thu, Oct 8

12-month record →

Ranked by the chance of arriving 15+ minutes late (typical odds: the weather this date has had in past years), with each flight’s on-time record over Aug 2025 – Jul 2026 beside it. Times are local. Pick a flight for its forecast. Click a column to sort.


DL 3708 Delta flown by SkyWest Flight history →	EUG 06:00	SLC 08:53	4%	4%	0.5%	94%
DL 4105 Delta flown by SkyWest Flight history →	EUG 16:43	SLC 19:41	8%	5%	0.5%	92%
OO 3817 SkyWest	EUG 13:43	SLC 16:44	10%	6%	0.5%	no record

How these are worked out. Each flight’s odds are our forecast for that day (typical odds until the weather forecast covers it); flights of airlines we don’t forecast yet use their 12-month record and are marked. Makes the connection: the first flight’s 12-month lateness curve, scaled so its chance of arriving 15+ min late matches the day’s forecast, at the layover minus the 45-minute minimum (90 on separate tickets). Arrives on time: first flight not cancelled × connection made × second flight not cancelled × second flight within 15 minutes, each from the day’s forecast.

About this data: forecast odds from our model for Thu, Oct 8 (newest published update); 12-month records from US DOT on-time data, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. JSON