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Friday, October 9 · typical odds for a Friday (too early for a weather forecast) · issued Sat 8:00 PM ET · 68 nonstops

Fri, Oct 9: WN 2801 at 05:15 is the safest bet, 4% chance of being 15+ min late; evening flights run 18–43%.

Safest bet that day WN 2801 MDW 05:15 → LGA 08:15 · 4% chance 15+ min late · usually 93% on time Riskiest WN 556 MDW 17:15 → LGA 20:20 · 43% chance 15+ min late · usually 30% 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. Dimmed: airlines we don’t forecast yet, shown with their 12-month record if they usually fly that weekday.

WN 2801 Southwest Flight history → MDW 05:15 LGA 08:15 4% 1% 0.9% 93%
UA 563 United Flight history → ORD 07:10 EWR 10:30 5% 2% 0.8% 91%
UA 2295 United Flight history → ORD 06:00 EWR 09:12 5% 2% 0.8% 94%
DL 5741 Delta flown by Republic Flight history → ORD 06:00 JFK 09:24 7% 2% 0.9% 89%
AA 327 American Flight history → ORD 06:00 LGA 09:17 8% 2% 1.2% 91%
DL 2767 Delta Flight history → ORD 06:00 LGA 09:09 8% 2% 1.1% 92%
UA 2617 United Flight history → ORD 06:00 LGA 09:11 8% 2% 0.9% 89%
AA 3170 American Flight history → ORD 06:42 EWR 10:00 9% 3% 1.2% 81%
UA 2301 United Flight history → ORD 08:40 EWR 12:06 10% 3% 0.9% 78%
WN 2038 Southwest Flight history → MDW 08:05 LGA 11:20 11% 2% 0.9% 96%
UA 1657 United Flight history → ORD 07:00 LGA 10:17 11% 3% 0.9% 82%
B6 1206 JetBlue Flight history → ORD 06:00 JFK 09:17 12% 3% 1.4% 81%
DL 2633 Delta Flight history → ORD 07:00 LGA 10:14 12% 3% 1.1% 77%
UA 1856 United Flight history → ORD 10:51 EWR 14:17 12% 5% 0.8% 80%
AA 4350 American flown by Republic Flight history → ORD 11:00 JFK 14:39 12% 4% 0.8% 85%
AA 2723 American Flight history → ORD 07:00 LGA 10:16 12% 3% 1.0% 79%
AA 4371 American flown by Republic Flight history → ORD 12:50 JFK 16:28 14% 5% 1.0% 71%
UA 606 United Flight history → ORD 12:11 EWR 15:39 14% 7% 0.9% 78%
WN 4044 Southwest Flight history → MDW 09:50 LGA 12:55 15% 3% 0.8% 75%
UA 2092 United Flight history → ORD 08:00 LGA 11:17 15% 3% 0.9% 86%
AA 2079 American Flight history → ORD 08:00 LGA 11:19 16% 3% 1.0% 82%
DL 2252 Delta Flight history → ORD 09:30 LGA 12:46 16% 4% 1.0% 90%
UA 669 United Flight history → ORD 10:03 LGA 13:26 17% 6% 0.9% 82%
UA 709 United Flight history → ORD 09:00 LGA 12:23 17% 5% 0.9% 75%
UA 759 United Flight history → ORD 20:07 EWR 23:39 18% 8% 1.0% 65%
B6 906 JetBlue Flight history → ORD 09:42 JFK 12:59 18% 4% 1.2% 88%
DL 2917 Delta Flight history → ORD 10:30 LGA 13:48 18% 6% 1.1% 72%
UA 1775 United Flight history → ORD 11:00 LGA 14:23 19% 7% 0.9% 69%
DL 2985 Delta Flight history → ORD 11:30 LGA 15:00 19% 6% 1.1% 78%
UA 1209 United Flight history → ORD 21:30 EWR 00:53 19% 7% 1.0% 68%
AA 2250 American Flight history → ORD 10:10 EWR 13:30 21% 7% 1.2% 64%
UA 2759 United Flight history → ORD 13:30 EWR 16:55 21% 9% 1.1% 47%
UA 2267 United Flight history → ORD 12:00 LGA 15:23 21% 8% 0.9% 69%
AA 388 American Flight history → ORD 10:20 LGA 13:34 21% 7% 0.9% 71%
AA 2059 American Flight history → ORD 11:00 LGA 14:19 22% 8% 1.2% 73%
UA 2329 United Flight history → ORD 14:25 EWR 18:00 23% 10% 1.0% 75%
UA 534 United Flight history → ORD 18:28 EWR 21:58 24% 10% 0.9% 58%
UA 2189 United Flight history → ORD 13:00 LGA 16:22 25% 9% 0.9% 65%
UA 485 United Flight history → ORD 16:31 EWR 20:07 26% 10% 1.0% 57%
UA 2171 United Flight history → ORD 15:57 EWR 19:33 28% 10% 1.2% 27%
AA 2549 American Flight history → ORD 20:09 EWR 23:30 28% 12% 1.4% 45%
DL 2503 Delta Flight history → ORD 20:10 LGA 23:44 28% 11% 1.2% 58%
WN 2803 Southwest Flight history → MDW 12:55 LGA 16:00 29% 6% 0.9% 52%
UA 1821 United Flight history → ORD 14:00 LGA 17:22 29% 10% 1.2% 65%
UA 1617 United Flight history → ORD 15:00 LGA 18:22 29% 9% 1.0% 59%
AA 1421 American Flight history → ORD 16:30 JFK 20:04 29% 12% 1.4% 57%
AA 1936 American Flight history → ORD 13:10 EWR 16:30 30% 10% 1.5% 65%
UA 2605 United Flight history → ORD 18:25 LGA 21:54 30% 12% 0.9% 54%
DL 2239 Delta Flight history → ORD 14:28 LGA 17:50 31% 10% 1.2% 63%
UA 1655 United Flight history → ORD 19:45 LGA 23:15 31% 10% 0.9% 50%
B6 406 JetBlue Flight history → ORD 17:27 JFK 21:00 32% 10% 1.6% 80%worse than usual
UA 2306 United Flight history → ORD 17:00 LGA 20:22 33% 13% 1.0% 51%
AA 1478 American Flight history → ORD 13:14 LGA 16:34 33% 10% 1.1% 63%
UA 1623 United Flight history → ORD 18:00 LGA 21:25 34% 12% 1.2% 41%
UA 2809 United Flight history → ORD 16:00 LGA 19:22 34% 12% 1.2% 42%
DL 1390 Delta Flight history → ORD 19:05 LGA 22:34 34% 15% 1.2% 64%
DL 2336 Delta Flight history → ORD 17:35 LGA 21:00 36% 14% 1.3% 51%
AA 3253 American Flight history → ORD 17:36 EWR 21:00 37% 16% 1.6% 47%
AA 3050 American Flight history → ORD 14:59 LGA 18:19 37% 11% 1.4% 65%
WN 4120 Southwest Flight history → MDW 19:45 LGA 23:00 38% 10% 1.0% 27%
AA 679 American Flight history → ORD 19:59 LGA 23:21 38% 12% 1.2% 63%
WN 2804 Southwest Flight history → MDW 14:50 LGA 17:55 38% 8% 0.9% 59%
AA 2086 American Flight history → ORD 16:30 LGA 19:53 39% 14% 1.4% 50%
AA 1724 American Flight history → ORD 18:29 LGA 21:50 43% 15% 1.4% 49%
WN 556 Southwest Flight history → MDW 17:15 LGA 20:20 43% 10% 0.9% 30%
DL 4725 Delta flown by Endeavor no forecast: 12-month record ORD 10:05 JFK 13:30 27% 16% 6.2% 73%
DL 5035 Delta flown by Endeavor no forecast: 12-month record ORD 13:00 JFK 16:37 29% 14% 11.6% 71%
DL 4783 Delta flown by Endeavor no forecast: 12-month record ORD 18:00 JFK 21:40 51% 22% 23.6% 49%
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