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Wednesday, October 7 · our forecast odds · issued Mon 11:00 AM ET · connections flying that day

Wed, Oct 7: Delta via Salt Lake City, leaving 18:16, is the safest bet: 88% chance of reaching San Diego on time.

Best connections that day, one ticket

Most reliable Quickest (80%+ on time)

Ranked by chance you reach San Diego on time, from each leg’s forecast for the day. Total trip = scheduled departure to arrival (San Diego is 1 h behind Colorado Springs). Layovers up to 4 hours. Pick a connection for its 12-month details.
DeltaDetails → COS 18:16 → SLC 20:09DL 4449 · flown by SkyWest 2h 46m Salt Lake City SLC 22:55 → SAN 23:50DL 1202 6h 34m 99% 88%
UnitedDetails → COS 09:20 → DEN 10:33UA 5634 · flown by SkyWest 2h 57m Denver DEN 13:30 → SAN 14:55UA 1302 6h 35m 98% 84%
DeltaDetails → COS 06:00 → ATL 10:54DL 1074 56m Atlanta ATL 11:50 → SAN 13:08DL 540 8h 08m 95% 83%
UnitedDetails → COS 07:05 → DEN 08:10UA 4696 · flown by SkyWest 3h 05m Denver DEN 11:15 → SAN 12:41UA 1940 6h 36m 99% 82%
UnitedDetails → COS 11:31 → DEN 12:45UA 4675 · flown by SkyWest 3h 10m Denver DEN 15:55 → SAN 17:20UA 1281 6h 49m 99% 81%
AmericanDetails → COS 10:19 → DFW 13:13AA 1552 3h 51m Dallas-Fort Worth DFW 17:04 → SAN 18:25AA 2266 9h 06m 98% 80%
UnitedDetails → COS 07:54 → IAH 11:29UA 5325 · flown by SkyWest 2h 54m Houston IAH 14:23 → SAN 15:51UA 1114 8h 57m 96% 78%
UnitedDetails → COS 17:07 → DEN 18:20UA 4719 · flown by SkyWest 2h 33m Denver DEN 20:53 → SAN 22:19UA 2395 6h 12m 97% 77%
How these are worked out. Each flight’s odds are our forecast for that day; 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