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Home » News » Airlines Cause Significant Travel Disruptions in South Korea: Cancellations Affect Major Routes

Airlines Cause Significant Travel Disruptions in South Korea: Cancellations Affect Major Routes

May 12, 2026
Airlines Cause Significant Travel Disruptions in South Korea: Cancellations Affect Major Routes

Travelers in South Korea experienced significant disruption recently as major airlines, including Air Seoul, Korean Air, and American Airlines, canceled over a dozen flights impacting key domestic and international routes. Passengers traveling routes between Seoul, Jeju, Busan, and Dallas-Fort Worth were particularly affected, leading to widespread chaos in travel plans.

Major airports such as Incheon, Gimpo, Jeju, and Gimhae reported flight cancellations extending for several days, leading passengers to remain vigilant about booking modifications and flight updates.

Incheon Airport’s Long-Haul Flight Disruptions

At the prestigious Incheon International Airport in Seoul, long-haul and regional flight operations faced severe interruptions due to several cancellations. This particularly impacted travelers on routes to the United States and other Pacific destinations.

Notable cancellations included:

  • Air Seoul’s ASV101 service to Guam, which was canceled on both Wednesday and Thursday evenings.
  • American Airlines’ AAL280, a direct connection to Dallas-Fort Worth, canceled on Thursday evening.

The repeated cancellation of the Guam flight raises concerns about reliability in regional air travel, while the loss of the Dallas route hindered key connections between South Korea and the United States.

Severe Disruption on Jeju-Seoul Route

The bustling air corridor between Jeju and Seoul, one of the country’s most heavily trafficked routes, faced a slew of cancellations that inconvenienced a wide range of passengers—from tourists to local residents and business travelers.

On Thursday, Jeju International Airport had four Air Seoul flights to Gimpo canceled:

  • ASV902 – Scheduled for 07:55 AM KST
  • ASV904 – Scheduled for 11:55 AM KST
  • ASV906 – Scheduled for 03:55 PM KST
  • ASV908 – Scheduled for 08:50 PM KST

Korean Air also played a role in this disruption by canceling flight KAL1512, which was scheduled from Jeju to Gimhae International Airport in Busan on Sunday morning.

Impact on Busan and Other Domestic Routes

In Busan, Gimhae International Airport saw additional airline cancellations from Korean Air affecting services connecting Busan to Seoul and Jeju. Specifically, the following flights faced cancellations:

  • KAL1410: Busan to Incheon International Airport
  • KAL1406: Busan to Incheon International Airport
  • KAL1517: Busan to Jeju International Airport

Additionally, Air Seoul canceled four further outbound flights from Gimpo International Airport to Jeju:

  • ASV901 – 06:00 AM KST
  • ASV903 – 09:45 AM KST
  • ASV905 – 01:45 PM KST
  • ASV907 – 06:15 PM KST

Comprehensive Flight Cancellation List

Airport Flight Aircraft Destination Scheduled Departure
Incheon Int’l Airport ASV101 A321 Guam Intl (PGUM) Thu 07:25 PM KST
Incheon Int’l Airport AAL280 B772 Dallas-Fort Worth Intl (KDFW) Thu 05:50 PM KST
Incheon Int’l Airport ASV101 A321 Guam Intl (PGUM) Wed 07:25 PM KST
Jeju Int’l Airport ASV908 A321 Gimpo Int’l (GMP / RKSS) Thu 08:50 PM KST
Jeju Int’l Airport ASV906 A321 Gimpo Int’l (GMP / RKSS) Thu 03:55 PM KST
Jeju Int’l Airport ASV904 A321 Gimpo Int’l (GMP / RKSS) Thu 11:55 AM KST
Jeju Int’l Airport ASV902 A321 Gimpo Int’l (GMP / RKSS) Thu 07:55 AM KST
Jeju Int’l Airport KAL1512 B739 Gimhae Int’l (PUS / RKPK) Sun 08:45 AM KST
Gimhae Int’l Airport KAL1410 A21N Incheon Int’l (ICN / RKSI) Sun 04:30 PM KST
Gimhae Int’l Airport KAL1517 B739 Jeju Int’l (CJU / RKPC) Sun 10:25 AM KST
Gimhae Int’l Airport KAL1406 A21N Incheon Int’l (ICN / RKSI) Sun 08:45 AM KST
Gimpo Int’l Airport ASV907 A321 Jeju Int’l (CJU / RKPC) Thu 06:15 PM KST
Gimpo Int’l Airport ASV905 A321 Jeju Int’l (CJU / RKPC) Thu 01:45 PM KST
Gimpo Int’l Airport ASV903 A321 Jeju Int’l (CJU / RKPC) Thu 09:45 AM KST
Gimpo Int’l Airport ASV901 A321 Jeju Int’l (CJU / RKPC) Thu 06:00 AM KST

Challenges for Passengers and Airports

The ongoing flight disruptions have underscored the fragility of airline operations, particularly on routes catering to heavy passenger volume. The Seoul–Jeju corridor regularly ranks as one of the busiest globally, meaning that even a handful of canceled flights can have a cascading effect, disrupting thousands of travel plans.

Airlines often face suspension of operations due to various operational challenges that include:

  • Aircraft maintenance and rotation requirements
  • Crew scheduling constraints
  • Airport congestion issues
  • Weather-based operational adjustments
  • Broader network management concerns

As many travelers depend on timely domestic and international connections, a single canceled flight typically rattles an entire travel agenda.

Increased Pressure on Airport Operations

The recent disruptions not only complicated the situation for affected travelers but also overwhelmed the airport systems, with travelers desperately seeking alternative options in already congested terminals. International passengers, particularly those connecting through Incheon, experienced heightened uncertainty regarding their journeys to North America and Pacific Islands.

South Korea’s airports, essential players in both regional and global air travel, maintain a pivotal role—Incheon International Airport stands out as a major transit hub in Asia, while Gimpo, Jeju, and Busan serve enormous domestic travel demands daily.

As airlines work through schedule adjustments and operational difficulties, passengers are advised to stay informed about their flight statuses and remain prepared for potential last-minute changes. The latest flight cancellations in South Korea highlight the rapid domino effect that disruptions can trigger across critical domestic and international routes, especially during periods characterized by high demand.

Source: The post Air Seoul, Korean Air, American Airlines Leave Passengers Stranded and Spark Travel Disruption in South Korea as Over a Dozen New Flights Are Cancelled Affecting Dallas-Fort Worth, Seoul, Jeju, Busan, and More Major Routes first appeared on www.travelandtourworld.com.

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