do you have any idea hen my package will arrive? and what does the AS mean at the frount or my tracking number?

Hi staff,
China Post tracking: LY847100343CN
This tracking last update was 8/19/21 and then no update for few day as now.
This tracking last update showed as:
2021-08-19 14:12 飞机进港
Please contact the transport agency/carrier to identify the matter for this tracking of package.
Is this package lost or not?
Where is this package now?
What movement will happen next for this package?
Will this package continue to move to destination?
Please follow up and provide update information for this tracking of package.
Please reply to me in detail.
Thanks,
Mr. Lau.
8/25/21

Hi staff,
China Post tracking: LY849048646CN
This tracking last update was 8/15/21 and then no update for few day as now.
This tracking last update showed as:
2021-08-15 19:14 上海市, 已交承运商运输
This tracking has not even show any update of custom clearance.
The other tracking usual show update in few day as:
航空公司接收/航空公司启运/飞机进港
But this tracking has not show any of this usual update after 8/15/21.
Please contact the transport agency/carrier to identify the matter for this tracking of package.
Is this package lost or not?
Where is this package now?
What movement will happen next for this package?
Will this package continue to move to destination?
Please follow up and provide update information for this tracking of package.
Please reply to me in detail.
Thanks,
Mr. Lau.
8/25/21