Under Global Delivery Settings – Urgency delivery fee settings you can enable the option to extra charge according to the number of days

Urgency of delivery fee

Enable Delivery charge according to number of days #

Enable Delivery Charges Based on Number of Days (Urgent Delivery Charges).
This overwrites any other delivery fee.
This setting is not overwritten by week delivery charge.

Additional charge by days from current day #

Additional Charges Based on Number of Days from Current Date

Label: A description to the change

Number of days: Days of urgency for this fee

Additional Delivery Fee: The amount to be included in cart