Travel Flash Report

TRAVEL FLASH - September 18, 2025

Breaking: Major Global Route Expansion as Airlines Launch 50+ New International Services in September

TOP 3 STORIES:
1. Scandinavian Airlines, Alaska Airlines, and KLM are among carriers launching new long-haul routes this month, including SAS’s first-ever Copenhagen–Seoul service and Alaska/Hawaiian’s new Seattle–Seoul link. These additions strengthen transpacific and Europe–Asia connectivity, offering travel professionals new one-stop options and increased competition on key corridors[1].

2. US domestic aviation sees significant shifts: United Airlines leads seat growth with 814,500 additional seats year-over-year, while Spirit and Frontier cut capacity by 22% and 12% respectively. For frequent travelers, this means more options on major carriers but potential reductions in ultra-low-cost availability and frequency on select routes[2].

3. Air travel demand in 2025 is showing its weakest capacity growth in a decade, with economy class expansion lagging and business class remaining more resilient. Travel advisors should note that premium demand is holding up, but overall seat supply is tightening, potentially impacting fare levels and availability for both leisure and corporate clients[3].

Flash Insight: The September surge in new international routes reflects airlines’ confidence in long-haul demand recovery, especially between Europe, Asia, and North America. However, the overall slow pace of capacity growth—particularly in economy class—signals ongoing caution amid economic uncertainty. Travel professionals should monitor premium cabin trends and shifting airline strategies, as network realignments and capacity discipline are likely to shape pricing and availability through the end of 2025.

Sources:
[1] https://aviationweek.com/air-transport/airports-networks/50-new-routes-launching-september-2025
[2] https://www.oag.com/us-aviation-market
[3] https://www.cirium.com/thoughtcloud/air-travel-demand-is-it-faltering/