After you file

Think logically ... the IRS had to stop sending out checks on 1/15  + 10 days for the post office to deliver it (hopefully)... so the 25th is just an educated guess.   You could wait longer since the IRS will not start processing returns until 2/12 you have time to wait.    Some posters who  filed as soon as they could and then got a check now find their returns are wrong.    The IRS will correct this "math error" but they did say it would delay the return (by how long we don't know yet) ... so it is better to be safe and wait a decent time to see if a check does show up before rushing to file.