Friday, October 9 · typical odds for a Friday (too early for a weather forecast) · issued Mon 12:00 PM ET · 5 nonstops

Fri, Oct 9: UA 2340 at 06:15 is the safest bet, 6% chance of being 15+ min late; evening flights run 33–41%.

Safest bet that day UA 2340 SBA 06:15 → SFO 07:25 · 6% chance 15+ min late · usually 89% on time Riskiest UA 4715 SBA 09:59 → SFO 11:25 · 53% chance 15+ min late · usually 40% on time

Every nonstop on Fri, Oct 9

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.


UA 2340 United Flight history →	SBA 06:15	SFO 07:25	6%	4%	0.6%	89%
UA 5256 United flown by SkyWest Flight history →	SBA 16:03	SFO 17:29	33%	16%	0.9%	74%
UA 2305 United Flight history →	SBA 13:58	SFO 15:08	39%	15%	0.6%	52%
UA 5704 United flown by SkyWest Flight history →	SBA 20:24	SFO 21:50	41%	19%	1.5%	22%
UA 4715 United flown by SkyWest Flight history →	SBA 09:59	SFO 11:25	53%	32%	1.0%	40%

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 Fri, Oct 9 (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