Genesis 27:44

And tarry with him a few days, until thy brother’s fury turn away;

Cross-reference

In Genesis 31:38, Jacob tells Laban he served him twenty years — far longer than the 'few days' Rebekah anticipated here.

In Genesis 30:25, Jacob finally asks Laban to release him — beginning the departure home that Rebekah hoped would come 'in a few days.'