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Any day
Wednesday, October 7 · typical odds for a Wednesday (too early for a weather forecast) · issued Sat 12:00 PM ET · connections flying that day

Wed, Oct 7: Delta via Atlanta, leaving 05:30, is the safest bet: 87% chance of reaching Houston on time.

Best connections that day, one ticket

Ranked by chance you reach Houston on time, from each leg’s forecast for the day. Total trip = scheduled departure to arrival. Layovers up to 4 hours. Pick a connection for its 12-month details.

DeltaDetails → ORD 05:30 → ATL 08:29DL 1264 2h 36m Atlanta ATL 11:05 → HOU 12:10DL 1195 6h 40m 98% 87%
DeltaDetails → ORD 13:44 → ATL 16:54DL 2894 3h 51m Atlanta ATL 20:45 → HOU 21:51DL 2051 8h 07m 98% 82%
AmericanDetails → ORD 14:58 → DFW 17:24AA 2429 1h 16m Dallas-Fort Worth DFW 18:40 → HOU 20:08AA 3391 · flown by Envoy 5h 10m 79% 66%
DeltaDetails → ORD 11:20 → ATL 14:25DL 1147 47m Atlanta ATL 15:12 → HOU 16:22DL 2381 5h 02m 77% 66%
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 Wed, Oct 7 (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