Is the z 129 train often late?

The Z 129 train is not often delayed, but sometimes it is delayed due to weather, facilities and other reasons. For example, on August 29th, 2022, the Z129th train in Guangzhou Station was delayed due to the weather. Therefore, it is impossible to accurately predict whether the Z 129 train will be delayed. It is suggested to know the real-time situation of Z 129 train according to the station announcement or official website information.