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Sunday, October 11 · typical odds for a Sunday (too early for a weather forecast) · issued Mon 8:00 PM ET · 24 nonstops

Sun, Oct 11: AA 2984 at 05:00 is the safest bet, 8% chance of being 15+ min late; evening flights run 43–61%.

Safest bet that day AA 2984 ORD 05:00 → MIA 09:09 · 8% chance 15+ min late · usually 94% on time Riskiest AA 3040 ORD 17:39 → MIA 22:03 · 61% chance 15+ min late

Every nonstop on Sun, Oct 11

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 2984 American Flight history → ORD 05:00 MIA 09:09 8% 3% 1.0% 94%
AA 2452 American Flight history → ORD 05:59 MIA 10:01 13% 3% 2.6% 96%
UA 1358 United Flight history → ORD 07:00 MIA 11:24 17% 4% 1.5% 85%
WN 2913 Southwest MDW 08:12 FLL 12:13 18% 4% 2.3% no record
AA 1875 American Flight history → ORD 07:09 MIA 11:20 19% 4% 1.9% 88%
WN 2198 Southwest MDW 07:40 MIA 11:47 20% 4% 3.1% no record
UA 1421 United Flight history → ORD 07:00 FLL 11:13 20% 5% 2.0% 91%worse than usual
AA 1424 American Flight history → ORD 06:53 FLL 11:02 24% 7% 2.5% 77%
AA 1250 American Flight history → ORD 08:30 MIA 12:45 29% 6% 4.3% 75%
UA 279 United Flight history → ORD 10:59 FLL 15:13 31% 11% 1.0% 76%
B6 664 JetBlue Flight history → ORD 07:00 FLL 11:14 33% 10% 4.2% 89%worse than usual
WN 4854 Southwest MDW 12:55 FLL 16:57 35% 10% 1.7% no record
UA 1620 United Flight history → ORD 10:33 MIA 14:57 37% 12% 3.4% 77%worse than usual
F9 2205 Frontier Flight history → ORD 08:05 FLL 12:22 39% 13% 3.4% 68%
AA 2689 American ORD 10:06 MIA 14:09 41% 10% 6.1% no record
WN 3073 Southwest MDW 19:55 FLL 23:56 43% 13% 2.4% no record
UA 1294 United ORD 12:22 FLL 16:25 43% 14% 1.3% no record
B6 864 JetBlue Flight history → ORD 14:35 FLL 18:49 53% 23% 4.3% 67%worse than usual
AA 1159 American ORD 19:10 MIA 23:31 55% 18% 2.0% no record
AA 2881 American Flight history → ORD 17:07 FLL 21:26 55% 21% 4.2% 62%worse than usual
AA 1431 American Flight history → ORD 14:30 MIA 18:33 56% 16% 4.6% 77%worse than usual
UA 463 United ORD 18:05 FLL 22:15 56% 24% 1.5% no record
AA 2323 American Flight history → ORD 16:43 MIA 21:07 59% 23% 5.6% 61%worse than usual
AA 3040 American ORD 17:39 MIA 22:03 61% 23% 5.2% 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 Sun, Oct 11 (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