The initiation of the west-to-east operation of W122 and W123 routes that connect with M503 route, effective Friday, benefits both sides of the Taiwan Strait, said a Chinese mainland spokesperson.

Zhu Fenglian, a State Council Taiwan Affairs Office spokesperson, made the remarks while responding to a media inquiry.

The Civil Aviation Administration of China on Friday announced the initiation of the west-to-east routes W122 and W123 to connect with M503 route.

The move aims to alleviate the pressure brought by flight growth in relevant areas, ensure flight safety, reduce flight delays, and safeguard the rights and interests of passengers, Zhu said.