I-485 · 131A-FAM

I-485 Family-based adjustment processing time at Saint Louis MO

Name: I-485 Family-based adjustment processing time at Saint Louis MO
Creator: FillingTide

Family-based adjustment applications

USCIS processing time · 80% of completed cases

11 months

STL

USCIS publication date: August 17, 2026
Case inquiry threshold · 93%: 26 months
FillingTide snapshot: September 2, 2026

Context, not a case prediction

These aggregate figures describe completed cases and are a reference point only. An individual case can take more or less time.

How the 80% processing time changed

FillingTide compares the same form, category, and office across dated USCIS publications. An unchanged publication is not counted as a new observation. We do not interpolate missing values or predict an approval date.

Slower

The 80th-percentile processing time increased

2.5 months between February 16, 2026 and September 2, 2026. This is a historical comparison, not a forecast for an individual case.

The horizontal axis uses the USCIS publication date, so spacing reflects the actual interval between observations. Processing times are normalized to months only for visual comparison; the table preserves both percentile metrics in their source units.

Dated processing-time history

The chart uses only the 80th-percentile processing time. The table keeps that value separate from the 93rd-percentile threshold USCIS uses to calculate case inquiry eligibility.

Historical USCIS 80th-percentile processing times and 93rd-percentile case inquiry thresholds for I-485 at Saint Louis MO
FillingTide observation	USCIS publication	Processing time · 80%	Inquiry threshold · 93%
2026-09-02	August 17, 2026	11 months	26 months
2026-07-16	July 15, 2026	10 months	18.5 months
2026-07-10	June 23, 2026	10 months	17.5 months
2026-06-16	May 22, 2026	10.5 months	17.5 months
2026-05-16	April 21, 2026	10 months	16 months
2026-04-16	March 16, 2026	8.5 months	14 months
2026-03-16	February 18, 2026	8.5 months	14 months
2026-02-16	January 14, 2026	8.5 months	14.5 months

30- and 60-day views

Window comparisons use the nearest comparable USCIS publication when it is reasonably close to the target. The cells show the real interval and never interpolate.

30-day comparison

slower

+1.0 months

Compared with July 15, 2026, 33 actual days before the latest USCIS publication. No interpolation is used.

60-day comparison

slower

+1.0 months

Compared with June 23, 2026, 55 actual days before the latest USCIS publication. No interpolation is used.

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Source and provenance

USCIS publishes the underlying processing-time figures. FillingTide records the publication and observation dates so changes can be compared over time. Verify time-sensitive information on the official USCIS page . Read our data-source notes.

Understand this number

USCIS calculates the displayed processing time from the 80th percentile of recently completed cases. This page does not establish why it changed or how long an individual case will take.

Read the USCIS methodology

Case inquiry date

USCIS calculates inquiry eligibility from a separate 93rd-percentile threshold. The published data lists July 18, 2024 as the current date for cases eligible to ask a question. Always use the official USCIS tool before making an inquiry.

Check a receipt date against this cutoff

Compare I-131 travel-document times Compare 60-day trends View office overview

Form / category	Office	Processing time · 80%	Trend	Details
I-485 Family-based adjustment applications	Kansas City MO KAN	13 months	slower	View
I-485 Family-based adjustment applications	Atlanta GA ATL	16 months	slower	View
I-485 Family-based adjustment applications	Boston MA BOS	12.5 months	slower	View
I-485 Family-based adjustment applications	Chicago IL CHI	16.5 months	slower	View