Review MailPac Delays - Cost me Money

I purchased goods from my suppliers for Black Friday deal for my store. The packages arrived at the Miami MailPac address two weeks before Black Friday; thinking I'll have the goods for Black Friday, they sat in MailPac warehouse until after Black Friday, costing me lost sales.
Same things is happening for Christmas with Christmas only eight days away. They use a bogus "Delayed Flight" excuse in trying to justify their slow service. Their fees are high, and for me, its best for DHL to ship directly to Jamaica. It cost a little more, but I'll know when the packages will arrive, and this is important in business!

I'm searching for new shipping options, but I may just use DHL and get professional delivery service.