A USCIS processing time is a statistic about the past, published as if it were a promise about the future. Under the agency's own explanation, the figure shown for a form and office is the time it took to complete 80 percent of the cases adjudicated in the previous six months. If 800 of 1,000 naturalization applications finished in that window took two months or less, the page shows two months; the other 200 are invisible in the number.
A second figure, not displayed, drives the question of when USCIS will let you ask. The case inquiry date is computed from the time it took to complete 93 percent of cases: the 93rd-percentile time, minus the time your case has already been pending. If a form ran 13 months at the 93rd percentile and yours was filed 12 months ago, the tool tells you to come back in a month. When the subtraction goes negative, the page offers a link to submit an inquiry. Until then, the agency's position is that your case is within normal processing and no question will be entertained.
A third figure, the median, appears only on the historical page, and it is the one worth reading. For fiscal 2026 through June 30, an I-130 for an immediate relative took 12.9 months at the median, down from 14.4 the year before. A family-based I-485 took 5.9 months; an employment-based one 5.8. An I-751 to remove conditions took 22.8 months. A work permit tied to a pending I-485 took 5.1 months, and a naturalization application 7.1. An I-485 based on asylum took 18.8 months. The current figures for each form sit on the processing times tracker.
Two details matter when reading the page. USCIS is replacing individual service center names with "Service Center Operations," since a case receipted at one center may be worked at another. And an I-485, N-400 or N-600 showing the National Benefits Center on the receipt should be checked against the local field office, where it will actually be decided.
The e-Request
Once the inquiry date has passed, the case-processing e-Request is the first step. It needs the receipt number, A-number, filing date and an email address. USCIS treats a case as actively processed if within the past 60 days it sent any notice, received a response to a request for evidence, or updated the online status. For form types not listed on the processing-times page, the stated goal is a decision within six months of filing, and the agency asks that no inquiry be made before then.
The e-Request produces a response, rarely a decision. Its value is that it starts the clock the Ombudsman later demands.
Expedite requests
An expedite asks USCIS to take a case out of order. The criteria are in Volume 1, Part A, Chapter 5 of the Policy Manual, and they are five: severe financial loss to a company or a person, provided the urgency is not the result of the requestor's own late filing or late response; emergencies or urgent humanitarian situations; a request by an IRS-designated nonprofit in furtherance of the cultural or social interests of the United States; government interests, including public safety and national security; and clear USCIS error.
The manual is candid about what does not qualify. Needing a work permit, "standing alone, without evidence of other compelling factors, does not warrant expedited treatment." Job loss may qualify depending on the circumstances. Filing a humanitarian application such as asylum or parole does not by itself qualify, because those filings "by their nature involve urgent humanitarian situations." A travel document will be expedited for a pressing need, such as a dying relative or medical treatment abroad, and not for a holiday. Where premium processing is available for the form, an expedite is not, unless the requestor is a nonprofit. Every request is discretionary, and "USCIS generally does not provide justifications regarding expedite decisions."
The request is made through the Contact Center at 800-375-5283 or the Emma chat tool, with the receipt number and the reason, and the evidence is uploaded through the USCIS online account. A request without evidence draws a request for evidence and nothing else.
Congressional inquiries
A member of Congress can ask USCIS about a constituent's case through the agency's Office of Legislative Affairs. The agency's own guidance to legislative staff lists the case types it will answer on, directs inquiries about a pending case to the field office or service center's congressional unit, and says a written inquiry should expect a response within 30 calendar days. The inquiry requires a privacy release signed by the applicant, with name, current address, date and place of birth, and a signature either notarized or made under penalty of perjury; USCIS asks that it not include a Social Security number.
A congressional inquiry gets a status report and, occasionally, attention. It does not change the criteria. CLINIC's practice pointer of October 2025 adds one rule of tactics: do not file with a senator and a representative at the same time, because parallel inquiries slow both.
The Ombudsman
The Office of the Citizenship and Immigration Services Ombudsman is an independent office within DHS, not part of USCIS. It accepts requests on DHS Form 7001, filed online, and attorneys must attach the G-28 already on file for the form in question. Its rules of admission are strict. The applicant must have contacted USCIS within the last 90 days and given the agency at least 60 days to respond. Where the only complaint is delay and USCIS has not approved an expedite, the Ombudsman will act only if the case inquiry date has already passed. With few exceptions it will not intervene before that date.
Within those limits it does things nothing else does: it chases notices USCIS says it sent but the applicant never received, cases in which a child is about to age out, improper rejections, typographical errors on cards, expedites USCIS approved more than two months ago and has not acted on, and approved petitions that have not been transferred to the State Department.
Mandamus and the APA claim
When the administrative routes are exhausted, the remaining lever is a lawsuit in federal district court. Two statutes support it. The Mandamus Act, 28 U.S.C. 1361, gives district courts jurisdiction over "any action in the nature of mandamus to compel an officer or employee of the United States or any agency thereof to perform a duty owed to the plaintiff." The Administrative Procedure Act requires that "within a reasonable time, each agency shall proceed to conclude a matter presented to it," and authorizes courts to "compel agency action unlawfully withheld or unreasonably delayed." The American Immigration Council's practice advisory explains that mandamus supplies its own jurisdiction while the APA claim rides on the federal-question statute, and that complaints plead both; courts often take jurisdiction under the latter and grant relief under the APA.
The suit does not ask for an approval. It asks for a decision. The duty enforced is the duty to adjudicate, and a court that orders USCIS to decide has no view on how.
Whether a delay is unreasonable is measured against the six factors in Telecommunications Research and Action Center v. FCC, decided by the D.C. Circuit in 1984: the agency's timing must follow a rule of reason; a congressional timetable can supply content for that rule; delays tolerable in economic regulation are less so when human health and welfare are at stake; the court weighs the effect of expediting one case on higher or competing agency priorities; it weighs the interests prejudiced by the delay; and it need not find "any impropriety lurking behind agency lassitude." The first factor is, in some circuits, the most important. A suit filed before the posted time has run is, by practitioner account, the most common way to lose on a motion to dismiss; an unanswered request for evidence lets the government attribute the delay to the plaintiff. The government's other standard moves are a challenge to standing and an argument that the immigration statute strips jurisdiction over discretionary decisions; most courts reject the second, because the duty to act is not discretionary even where the outcome is.
The mechanics in 2026, as described by firms that file these suits, are that the complaint is filed in the district where the plaintiff lives, the United States Attorney has 60 days to answer, and in well over half of cases USCIS adjudicates within that window so the case can be dismissed as moot; most resolve in 30 to 90 days. Flat attorney fees commonly run $3,000 to $6,000. The court's own charge is fixed by statute and schedule: a $350 filing fee under 28 U.S.C. 1914 plus a $55 administrative fee under the district court fee schedule, $405 in all. Because the agency usually acts before any order issues, fees under the Equal Access to Justice Act are generally not recoverable. And a plaintiff who sits on a delay for years before suing invites a laches defense.
The obvious caution is that a case USCIS is forced to decide may be decided against the applicant. Mandamus is for a clean file that has simply not been reached.
What to do
- Read the historical median as well as the 80 percent figure, and compute the case inquiry date from the tool. Nothing else is available before it.
- File the e-Request the day the inquiry date passes, and keep the confirmation. It starts the 60-day clock the Ombudsman requires.
- Request an expedite only with evidence that fits a named criterion. Job loss with documents, a medical emergency with a physician's letter, a documented USCIS error. A bare need for a work permit will be refused without explanation.
- Send one congressional inquiry, with a compliant privacy release, to the office of one member, and expect a status report in about a month.
- Go to the Ombudsman with Form 7001 once 60 days have passed since the inquiry and the case is past its inquiry date.
- Consider mandamus when the case is well past the posted time, every request for evidence is answered, and the file is clean. Budget $405 for the court and a flat fee for counsel, and expect a decision rather than a victory.
USCIS's processing time is a description of the cases it finished. The cases it has not finished are the reason this article exists.