Mailed in returns are taking 6 months or more for the IRS since they are so backlogged. You can keep checking the IRS website, Where's My Refund, it will show information when the IRS has enter your return into their system.
How far behind is IRS processing paper returns?
Since the beginning of the COVID-19 pandemic, the IRS has fallen nearly a year behind in processing paper tax returns. As of March 18, 2022, the paper return backlog stood at nearly 15 million.
