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Any day
Saturday, October 10 · typical odds for a Saturday (too early for a weather forecast) · issued Mon 4:00 PM ET · connections flying that day

Sat, Oct 10: Delta via Minneapolis, leaving 05:55, is the safest bet: 90% chance of reaching Los Angeles on time.

Best connections that day, one ticket

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

DeltaDetails → MSO 05:55 → MSP 09:28DL 2907 3h 35m Minneapolis MSP 13:03 → LAX 14:59DL 2974 10h 04m 100% 90%
UnitedDetails → MSO 06:05 → DEN 08:11UA 1026 1h 51m Denver DEN 10:02 → LAX 11:34UA 405 6h 29m 99% 85%
UnitedDetails → MSO 10:36 → DEN 12:48UA 5484 · flown by SkyWest 2h 55m Denver DEN 15:43 → LAX 17:15UA 1195 7h 39m 100% 84%
DeltaDetails → MSO 13:15 → SLC 14:57DL 4112 · flown by SkyWest 2h 13m Salt Lake City SLC 17:10 → LAX 18:07DL 1161 5h 52m 99% 77%
UnitedDetails → MSO 16:19 → SFO 17:50UA 5417 · flown by SkyWest 3h 37m San Francisco SFO 21:27 → LAX 22:49UA 1079 7h 30m 100% 74%
UnitedDetails → MSO 14:21 → DEN 16:26UA 1436 3h 09m Denver DEN 19:35 → LAX 20:57UA 1460 7h 36m 95% 71%
UnitedDetails → MSO 12:34 → ORD 17:05UA 636 3h 13m Chicago ORD 20:18 → LAX 22:53UA 2499 11h 19m 87% 61%
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