三大航发公告：中日航线免费退改签延长至明年3月28日

Core Viewpoint - 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] Group 1 - The free cancellation and change policy for flights to Japan was previously set to end on December 31, 2025 [1]