Saturday, October 10 · typical odds for a Saturday (too early for a weather forecast) · issued Sun 8:00 PM ET · connections flying that day

Sat, Oct 10: one nonstop, WN 2405 at 10:29, with a 8% chance of arriving 15+ min late.

Nonstops that day

All 1 nonstop →


WN 2405 Southwest	MDW 10:29	JAX 13:52	8%	2%	1.3%	no record

Best connections that day, one ticket

Most reliable Quickest (80%+ on time)

Ranked by chance you reach Jacksonville on time, from each leg’s forecast for the day. Total trip = scheduled departure to arrival (Jacksonville is 1 h ahead of Chicago). Layovers up to 4 hours. Pick a connection for its 12-month details.


Delta Details →	MDW 06:00 → ATL 08:57DL 1285	3h 18m Atlanta	ATL 12:15 → JAX 13:25DL 3024	6h 25m	98%	83%
Delta Details →	MDW 11:24 → ATL 14:21DL 2417	2h 13m Atlanta	ATL 16:34 → JAX 17:50DL 2440	5h 26m	98%	76%
Delta Details →	MDW 16:22 → ATL 19:22DL 1728	3h 32m Atlanta	ATL 22:54 → JAX 00:09 +1DL 2276	6h 47m	98%	70%

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