AF 6 days late and tested today

Hi, just need some help. I started TTC number 2 last year april. My cycle is regular but sometimes the cycle are much longer as it can go up to 45 days. This time is the same... its already 45 days and no sign of AF. So i tested today but it was negative. Im dissapointed with the test...i was praying so hard to be positive...do i still have chances?