My timeline so far has been this one:
November 30th, 2022 - We sent the package on UPS 2-day delivery to the Phoenix, AZ lockbox.
December 2nd, 2022 - Delivered to the Phoenix AZ lockbox.
December 5th, 2022 - USCIS charged my card.
December 6th, 2022 - Got SMS with confirmation of receipt of the forms, and case number.
December 9th, 2022 - Got my I-797 in the mail. 24 month extension and assigned to Potomac service center.