Los Angeles to Seattle Flight Delays
Los Angeles to Seattle flights are delayed approximately 31% of the time on average. Los Angeles (LAX) has a congestion score of high and a weather risk level of low. Seattle (SEA) has 3 runways and a NAS vulnerability score of moderate. Use DelayGuard's AI-powered predictor to check today's delay probability before you fly.
- How often do LAX to SEA flights get delayed?
- Based on historical BTS data, Los Angeles to Seattle flights are delayed approximately 31% of the time. Delays are most common during peak summer months and holiday travel periods.
- What is the best time of year to fly LAX to SEA?
- The lowest delay risk for Los Angeles to Seattle is typically in the fall (September–November), when weather is mild and travel demand drops after summer peak. Avoid June–August and December–January for the lowest chance of delays.
- Which airline is most reliable on LAX to SEA?
- Reliability varies by route. Use the DelayGuard predictor to compare airlines on the LAX to SEA route with real-time delay probability estimates.
- How accurate is DelayGuard's delay prediction for this route?
- DelayGuard's v9 model is trained on 20+ million BTS flight records from 2023–2025 and uses live weather, FAA delay programs, and historical route performance to generate predictions. Visit delayguard.ai to check the current prediction for LAX to SEA.