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Any day
Thursday, October 8 · typical odds for a Thursday (too early for a weather forecast) · issued Sat 4:00 PM ET · connections flying that day

Thu, Oct 8: Delta via Salt Lake City, leaving 07:15, is the safest bet: 89% chance of reaching San Jose on time.

Nonstops that day

All 1 nonstop →
WN 3400 Southwest BWI 11:41 SJC 14:21 12% 3% 0.6% no record

Best connections that day, one ticket

Ranked by chance you reach San Jose on time, from each leg’s forecast for the day. Total trip = scheduled departure to arrival (San Jose is 3 h behind Baltimore). Layovers up to 4 hours. Pick a connection for its 12-month details.

DeltaDetails → BWI 05:40 → ATL 07:31DL 2950 2h 12m Atlanta ATL 09:43 → SJC 11:30DL 809 8h 50m 99% 89%
DeltaDetails → BWI 07:15 → SLC 09:50DL 1176 1h 50m Salt Lake City SLC 11:40 → SJC 12:35DL 1254 8h 20m 98% 89%
DeltaDetails → BWI 06:20 → MSP 07:54DL 2872 2h 11m Minneapolis MSP 10:05 → SJC 12:01DL 2383 8h 41m 99% 88%
DeltaDetails → BWI 11:52 → ATL 13:41DL 801 3h 18m Atlanta ATL 16:59 → SJC 18:52DL 2136 10h 00m 100% 87%
DeltaDetails → BWI 17:00 → ATL 19:08DL 2799 1h 51m Atlanta ATL 20:59 → SJC 22:49DL 933 8h 49m 96% 84%
UnitedDetails → BWI 08:30 → DEN 10:25UA 2412 1h 05m Denver DEN 11:30 → SJC 13:09UA 1256 7h 39m 91% 77%
AlaskaDetails → BWI 07:03 → SEA 09:53AS 786 3h 46m Seattle SEA 13:39 → SJC 15:44AS 657 11h 41m 100% 73%
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 Thu, Oct 8 (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