South Korea’s Jeju (CJU)-Seoul Gimpo (GMP) is the World’s Busiest Airline Route in 2025, Latest OAG Data Reveals
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An average of 39,000 seats per day operate on the world’s top route Key findings: 14.4 million seats were scheduled between Jeju (CJU)-Seoul Gimpo (GMP) in 2025. Asia Pacific dominates, accounting for 9/10 of the top routes globally. Hong Kong (HKG) – Taipei (TPE) continues to be the busiest cross-border route. Jeddah (JED) – Riyadh … Continued