Late Period?

I don’t think I’ve ever had a period this late.

So My last cycle lasted about 5 days.. August 15th-19th.

I had protected sex the previous month. Nothing for me to trip out about. I’m just worried per usual and I was already stressed about something else.

I saw some dark brown mixed in my mucus a few days after my period ended.

Could I be pregnant or am I just overthinking it?

*According to one app I’m a day late but according to this one I’m 2 days late.*