While the new labor contract at UPS (NYSE:UPS) is expected to pass the vote on June 22, in the video below, Fool analyst Blake Bos tells investors that they will want to watch that vote very carefully. A strike back in 1997 cost UPS $650 million in lost business, and any such similar disruption now could be a catastrophe and a huge win for competitor FedEx (NYSE:FDX). Blake describes the relationship between management and workers at UPS, and tells investors some of the key labor challenges that the company will face going forward.

Blake Bos has no position in any stocks mentioned. The Motley Fool recommends FedEx and United Parcel Service. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.