AS508Seattle to Cincinnati
Alaska Airlines flight AS508 flies from Seattle Tacoma (SEA) to Cincinnati Northern Kentucky (CVG), 3,154 km. Over August 2025 to July 2026 it usually arrives about 2 minutes late: 77% of 652 flights arrived within 15 minutes of schedule and 0.9% were cancelled (US Department of Transportation data).
On-time record, last 12 months
Every operation of AS508, August 2025 to July 2026: 652 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as AS508
Other flights from Seattle to Cincinnati
More about Seattle Tacoma (SEA) and Cincinnati Northern Kentucky (CVG).
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