Family-based AOS processing typically takes 1 to 2 years depending on USCIS service center and field office backlogs.

Spouses, parents, and unmarried children under 21 of U.S. citizens usually have faster processing than preference categories.

Security checks, missing documents, or high workloads can cause delays beyond normal times.

Applicants can check estimated timelines using USCIS's “Check Case Processing Times” tool online.