ADVICE please! Is it me or....

Hannah🌸 • PSOC/endometriosis sufferer with a past ectopic pregnancy, now currently pregnant with a baby boy💙
Maybe it's just me overreacting, but a part of me doesn't think so..
My SO works with my father & carpools together. This week my SO rode with my father. I'm at home all day with my 3 week old alone. My LO screamed for 2 1/2 hours straight today (unlike him), I called my SO & told him & that I needed his help when he got home. Today they got out of work an hour & a half early but wasn't home an hour & a half early...I txted my SO & asked "why is it that when you leave work early you're not home early" & asked where he was. He then called me & told me him & my father went to the bar down the road from my parents home & have been there long enough to have 3+ beers. This upset me bc he knew his son was screaming & could have came home early to spend time with him & me & help me...especially when he said he was going to ask my father to drop him off at home instead of going to the bar but didn't...