Hong Kong-Taipei has been identified as the busiest international flight route, despite seat capacity being 15% below pre-pandemic levels, according to OAG. Seven of the ten busiest routes are in the Asia-Pacific region. The Cairo-Jeddah route saw a 62% increase in capacity compared to 2019, while Seoul Incheon to Tokyo Narita also reported significant growth. Domestic flight routes are busier overall, with Seoul to Jeju being the top route, offering 14.2 million seats. The busiest routes vary by region, with notable connections in Africa, Europe, and North America, reflecting the ongoing adjustments in global air travel.