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Monday, October 5 · our forecast odds · issued Sun 2:00 PM ET · 15 nonstops

Tomorrow: AA 1252 at 06:00 is the safest bet, 10% chance of being 15+ min late; evening flights run 24–39%.

Safest bet that day AA 1252 PHL 06:00 → MIA 08:56 · 10% chance 15+ min late · usually 89% on time Riskiest F9 1203 PHL 17:25 → MIA 20:26 · 39% chance 15+ min late · usually 65% on time
Against a calm day 21% average chance a nonstop arrives 15+ min late; 22% for the same flights on a calm-weather day

Every nonstop on Mon, Oct 5

12-month record →

Ranked by the chance of arriving 15+ minutes late, 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 1252 American Flight history → PHL 06:00 MIA 08:56 10% 3% 2.1% 89%
AA 3042 American PHL 05:05 MIA 08:00 12% 4% 1.8% no record
AA 2184 American Flight history → PHL 08:15 MIA 11:12 16% 3% 1.3% 91%
AA 1857 American PHL 07:19 MIA 10:02 16% 4% 1.8% no record
AA 796 American Flight history → PHL 10:00 MIA 12:59 18% 5% 1.2% 70%
AA 1985 American PHL 09:52 MIA 12:54 19% 5% 1.3% no record
AA 3302 American Flight history → PHL 11:30 MIA 14:29 19% 6% 1.3% 76%
AA 1989 American PHL 11:40 MIA 14:40 19% 6% 1.3% no record
AA 1181 American Flight history → PHL 19:55 MIA 23:09 24% 7% 2.1% 69%
AA 2111 American Flight history → PHL 18:35 MIA 21:38 25% 9% 1.8% 63%
AA 3265 American Flight history → PHL 14:26 MIA 17:27 25% 9% 1.9% 67%
AA 2243 American PHL 13:22 MIA 16:17 26% 6% 1.9% no record
AA 2936 American Flight history → PHL 21:55 MIA 00:52 26% 8% 2.3% 61%
AA 3306 American Flight history → PHL 16:25 MIA 19:27 27% 9% 1.9% 75%
F9 1203 Frontier Flight history → PHL 17:25 MIA 20:26 39% 21% 1.8% 65%
How these are worked out. Each flight’s odds are our forecast for that day; 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 Mon, Oct 5 (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