IAM 4 DAYS LATE? IS THIS NORMAL? AM I PREGNANT?

hey, im hardly ever late and if iam its usually by one day and i get sore acne and bad menstrual cramps well this month am late by 4days and no sign of my period. ive only had small twinges in my lower stomach.ive been fatigue lately and loss of appetite during the day but at night im so hungry till i feel sick. could i be pregnant? is 4 days really all that late for me since am hardly ever late ? (please no negative response cause if iam pregnant i will be happy to be bless with a baby)