三大航司发布公告：中日航线免费退改签延长至明年3月28日

Core Points - Major Chinese airlines, including Air China, China Eastern Airlines, and China Southern Airlines, have announced special handling for tickets related to flights to and from Japan, allowing free cancellations and changes for travel until March 28, 2026 [1] - The previous policy for free cancellations and changes was set to expire on December 31, 2025 [1] Group 1 - Air China, China Eastern Airlines, and China Southern Airlines are implementing a new policy for ticket handling related to Japan [1] - The new policy allows for free cancellations and changes for flights until March 28, 2026 [1] - The previous free cancellation and change policy was scheduled to end on December 31, 2025 [1]