SEATTLE- Alaska Airlines (AS) and Korean Air (KE) have submitted a filing to the U.S. Department of Transportation seeking approval for a new codeshare partnership.
The proposal links Seattle–Tacoma International Airport (SEA) with Seoul Incheon International Airport (ICN), strengthening connectivity between North America and Asia. The move highlights growing cooperation between the two carriers in the trans-Pacific market.
Under the plan, Alaska Airlines (AS) would place its flight code on select Korean Air (KE) services operating beyond its Incheon hub.
United and China Airlines Explore Codeshare Partnership
Alaska Airlines and Korean Air have designed the codeshare agreement to enhance network reach without operating additional long-haul flights.
The filing submitted to the DOT seeks regulatory approval to implement this partnership across multiple Asian destinations.
The structure of the agreement allows Alaska to market Korean Air-operated flights under its own code.
This creates smoother connections for passengers traveling from the United States through Seoul Incheon (ICN) to secondary Asian cities.
Strengthening United’s Growing Asia Network
The proposed partnership strengthens Seoul Incheon International Airport (ICN) as a major connecting hub for both carriers. Korean Air (KE) already operates an extensive regional network across South and Southeast Asia, making it a key partner for Alaska Airlines’ (AS) expansion.
If approved, the codeshare will provide improved access for travelers from Seattle (SEA) to cities such as:
- Bangkok (BKK)
- Hanoi (HAN)
- Singapore (SIN)
It also supports the growing demand for one-stop connectivity between North America and India, particularly Delhi (DEL), OMAAT flagged.
This arrangement could improve seat utilization and scheduling efficiency for both airlines. It also positions Alaska Airlines (AS) to strengthen its international presence without launching additional direct routes.
Delta and Korean’s Joint Venture
The proposed cooperation comes at a complex time in global airline alliances. Korean Air (KE) maintains a transpacific joint venture with Delta Air Lines, which represents a deeper level of coordination than a standard codeshare agreement.
Delta Air Lines has a significant influence in the Seattle (SEA) market and continues to expand its presence on Pacific routes.
However, Alaska Airlines (AS) remains a dominant carrier at its home hub, maintaining strong market control despite increased competition.
Korean Air’s dual relationships highlight the flexible nature of airline partnerships, where codeshare agreements can exist alongside joint ventures. The filing suggests continued strategic balancing between network expansion and alliance commitments
Bottom Line
Alaska and Korean are moving toward restoring a codeshare partnership focused on Seoul Incheon (ICN) connectivity. The agreement would link Seattle with multiple Asian destinations.
While the arrangement appears commercially practical, it also reflects the evolving dynamics of airline alliances across the transpacific market. The DOT approval will determine the next phase of this partnership.
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