Anyone planning to send baggage domestically ?

According to Asahi Shimbun (in Japanese)

"Yu Pack" delivery service is facing delays.
Some parcels are even behind schedule for days and those include chilled and frozen ones.

This is due to the confusion following recent merger of "Yu Pack" and "Pelican Bin" services and high volume for Japanese summer gift and Upper House election postal traffic, it reports.

In the meantime, use "Takkyubin"," ABC" or "Sagawa" to avoid the delays.