21 days is what the IRS states.

It could be less time.

You can keep an eye on it with these links:

There are a few ways you can track your tax return.

• If you filed your tax return through TurboTax, you can view the status of your tax return by going to this site: https://turbotax.intuit.com/tax-tools/wheres-my-refund/
• You may also track the status of your return by visiting: https://www.irs.gov/refunds
• There is also an app: https://www.irs.gov/newsroom/irs2goapp

From <https://ttlc.intuit.com/questions/4170025-how-do-i-track-my-income-tax-return>