How to say “Our plans for the weekend fell through because everyone got sick.” in Japanese

In Japanese

みんな体調(たいちょう)を崩(くず)して、週末(しゅうまつ)の予定(よてい)が流(なが)れちゃった。

Minna taichō o kuzushite, shūmatsu no yotei ga nagarechatta.