AITA for the last 6 months ive noticed my wife doesn't answer or return my calls or text.

My wife is a stay at home mom, we've been married for 14 years. But here recently (last 6-8 months I've noticed a change. At first I thought it was all in my head, but I have noticed that I have basically become chopped liver. If I call her or send her a text, I get no answer, no response. It can take her up to 2-3 hrs to get back to me. Literally 90+ percent of the time. Due to my job (I am on call 24/7) I literary have to be attached to my phone. I have tried talking to her about it and she just shrugs it off as nothing. But I have been stuck in the roof (ladder blew over in a strong gust) i have had a flat tire on my motorcycle, and been stuck on the side of the road and had to call my daughter to go tell her mom to answer her phone. Its driving me crazy to the point that now have her on a minimum 2 hr response like she had done to me. She can ask me a question in person and I tell her too her face. "Ill get back to you in two hours" and now she's calling me an asshole.

Am i?