Saturday, October 10 · typical odds for a Saturday (too early for a weather forecast) · issued Sun 8:00 PM ET · 4 nonstops

Sat, Oct 10 looks like a normal day here: all 4 nonstops are 11–16% likely to arrive 15+ min late.

Safest bet that day AA 5267 GSP 10:52 → DCA 12:48 · 11% chance 15+ min late · usually 73% on time Riskiest OH 5093 GSP 17:13 → DCA 19:09 · 16% chance 15+ min late

Every nonstop on Sat, Oct 10

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.


AA 5267 American flown by PSA Flight history →	GSP 10:52	DCA 12:48	11%	6%	1.3%	73%
AA 5031 American flown by PSA Flight history →	GSP 07:00	DCA 08:48	11%	5%	1.0%	78%
OH 9954 PSA	GSP 09:26	DCA 11:05	12%	5%	1.2%	no record
OH 5093 PSA	GSP 17:13	DCA 19:09	16%	8%	1.5%	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 Sat, Oct 10 (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