Construction Delay Claims: Types, Causes, and How They Work

A commercial building project falls behind schedule. The contractor blames late design changes. The building owner says the contractor mismanaged the job. A subcontractor points to weather nobody planned for.

Everyone has paperwork backing their position, and costs keep climbing. This kind of dispute is frequently encountered in construction projects of varying size and complexity. At its core, it often involves determining which factors contributed to the delay and how responsibility and resulting costs may be allocated.

That is what a construction delay claim is about. Large construction projects routinely run past their original deadlines, and when they do, the costs add up fast. This article covers how these disputes typically work, how responsibility is assigned, and what happens when a claim moves forward.

Key takeaways: What drives construction delay claims and why they matter

Construction delays often lead to disputes over responsibility and cost. Knowing how claims work and what evidence matters may help your team respond when timelines slip.

What construction delay claims involve

  • Delay claims are often described using categories such as inexcusable, excusable, compensable, and concurrent, although classification may vary depending on contract terms and jurisdiction.
  • Whether a delay supports a claim often depends on its demonstrated impact to the projectโ€™s critical path as analyzed in the schedule.
  • A claim typically requires demonstrating causation, impact to the completion date, and resulting financial harm in accordance with the contract and applicable standards.

Why the details matter

  • Causes like design changes, labor shortages, and weather may overlap, making fault harder to assign.
  • Real-time records like daily logs and schedules tend to carry more weight than documents assembled later.
  • Resolution paths range from negotiation to mediation, arbitration, or litigation, depending on the contract.

Rimkus supports organizations navigating construction delay disputes; contact us to discuss your situation.

What is a construction delay claim?

A construction delay claim is a formal dispute that arises when a construction project is alleged to have finished later than the deadline established in the contract. One or more parties involved, such as the building owner, the general contractor (the company hired to manage the construction), or a subcontractor (a smaller company hired to handle a specific part of the work), tries to hold someone else responsible for the lost time, the extra costs, or both.

Why some delays lead to claims and others do not often comes down to where in the schedule the problem occurs.

How the schedule works

Construction projects typically start with a contract that includes a schedule and a finish date, laying out major tasks in order.

Certain tasks typically follow a fixed sequence. In most cases, a foundation goes in before walls, and walls go up before electrical wiring. The critical path is the longest sequence of dependent activities in a schedule model that determines the projectโ€™s overall planned duration. If an activity on this path is delayed and the delay is not absorbed by available float or mitigated, the overall completion date may be extended.

Other tasks are more flexible, with a few extra days or weeks of cushion built into the schedule. If one of those tasks runs a little late, the overall finish date may not change. Whether a delay affects the critical path is often a key factor in evaluating entitlement, although other contractual and factual considerations may also apply.

When a delay becomes a claim

Not every delay turns into a claim. Small delays happen often and are usually absorbed through schedule adjustments. A delay may become actionable when it is demonstrated to affect the critical path and extend the completion date, and one party attributes responsibility to another based on the available evidence.

Most construction contracts also include rules about how to report delays. If a contractor wants to file a delay claim later, the contract may require written notice within a certain number of days. Failure to follow contractual notice requirements may affect the viability of a claim, even where a delay occurred.

What are the common types of construction delays?

Delay claims are often described using four general categories, which may influence entitlement to time, compensation, or both depending on the contract and governing law.

Inexcusable delays (contractor’s fault)

These delays are generally considered the contractor’s responsibility. Running behind because of poor planning, not having enough workers, financial problems, or a subcontractor walking off the job would typically fall into this category.

In these situations, the contractor is typically not entitled to additional time under most contract frameworks. The contractor may also be subject to liquidated damages or other contractual remedies for delays beyond the agreed completion date. Many contracts include a liquidated damages clause, a pre-agreed dollar amount per day of delay that both sides accept when signing the contract.

Excusable delays (nobody’s fault)

Excusable delays generally arise from events outside the control of the parties and not attributable to their fault. Major storms, pandemics, labor strikes, and government shutdowns are common examples.

If a hurricane shuts down a job site for three weeks, the contractor may be entitled to additional time, subject to the terms of the contract. However, the contractor is often not entitled to additional compensation unless the contract provides otherwise, since no one on the project caused the problem.

Compensable delays (owner’s fault)

Compensable delays are often associated with actions or inactions by the building owner or parties acting on the owner’s behalf. Common examples include taking too long to approve design plans, making changes to the project after work has started, or not giving the contractor access to the work site on time.

In these cases, the contractor may be entitled to additional time and compensation, depending on the contract and substantiated impacts. While waiting for the owner to act, the contractor may still be paying supervisors, renting equipment, and storing materials that are sitting unused.

Concurrent delays (both sides share fault)

Sometimes both the contractor and the owner cause delays during the same time period. The contractor falls behind on one part of the work while the owner holds up approvals on another, and both problems may affect the finish date.

Concurrent delays are often among the most complex to analyze because each side typically blames the other. Courts and arbitral bodies address concurrent delays differently depending on the jurisdiction, contract language, and methodology used to analyze delay, and outcomes may vary. When these situations escalate, formal dispute resolution processes may be needed.

What causes construction delays?

Delays may come from many directions, some preventable and others not. The four categories above describe how delays are classified after the fact; the causes themselves tend to fall into a handful of recurring patterns.

Design changes after work begins

Design changes after construction has started are a frequently cited cause of delay. The owner adds a floor, the architect revises the layout, or two sets of drawings contradict each other, and crews may need to stop until someone clarifies which one to follow.

Weather

Extreme weather may halt construction for weeks at a time. Project schedules usually account for some rain or cold, but a prolonged freeze, major flooding, or a hurricane may push the project well past those built-in allowances.

Not enough workers

Labor shortages areย  frequently cited as a contributing factor in construction delays across the industry. According to the Associated General Contractors of America’s 2025 Workforce Survey (AGC), 92% of firms that are hiring reported difficulty finding qualified workers, and 45% said labor shortages caused delays on at least one of their projects.

Late or damaged materials

Late steel deliveries, defective concrete, or shipping disruptions may leave crews idle for days or weeks while waiting for replacements.

Permits and inspections

A permit application stuck in review, or a scheduling backlog at the inspection office, may create unexpected gaps in the construction schedule. Who bears responsibility for these delays often depends on which party was supposed to file the paperwork and follow up.

Miscommunication

Poor coordination between project teams is one of the most preventable causes of delay. A large construction project may involve dozens of companies, and when one team’s schedule does not line up with another’s, or when critical decisions get lost between groups, work stalls. Proactive dispute avoidance strategies, such as clear documentation and regular coordination, may help reduce these breakdowns.

What does it take to pursue a delay claim?

Knowing the cause of a delay is only part of the picture. The party pursuing a claim generally needs to demonstrate causation, impact to the project completion date, and resulting financial harm, consistent with the contract and applicable standards.

Critical vs. non-critical delays

The second element, proving the delay pushed back the completion date, is where critical and non-critical delays diverge. A critical delay typically pushes back the project’s overall finish date because it affects the critical path, while a non-critical delay affects a task with enough flexibility that the finish date may not be affected. Most claims focus on critical delays, as delays that do not affect the completion date are generally more difficult to link to compensable impacts.

What costs are at stake

The financial impact of a delay depends on its classification and the contract terms. Common categories of recoverable costs include:

  • Extended overhead, such as continued site supervision, trailer rentals, and utilities
  • Labor cost increases from keeping crews on the job longer than planned
  • Equipment charges for machinery sitting idle during the delay
  • Material storage and price escalation when costs rise during the extended timeline

Building owners pursuing claims may seek damages for lost rental income, increased financing costs, or penalties tied to missed occupancy deadlines.

What evidence supports a claim

The strength of a delay claim typically depends on records from the project itself. Common types of evidence include:

  • The original project schedule and any updated versions
  • Daily logs kept by the construction team
  • Meeting notes and emails between the parties
  • Change orders, which are formal documents that approve changes to the project plan or budget
  • Delivery records and inspection reports

Records created contemporaneously with project events are generally considered more reliable than documents assembled after the fact; a daily log entry noting that steel deliveries arrived two weeks late tends to carry more weight than a memo written months later recalling the same event. Gaps in documentation may affect the strength of a claim.

How claims are typically resolved

Most construction delay claims begin with direct negotiation between the parties. If those discussions do not produce agreement, the contract often outlines next steps: mediation (a neutral third party facilitates a voluntary agreement), arbitration (a more formal process where an arbitrator typically issues a binding decision), or litigation, which takes the dispute to court and is generally among the most time-consuming and expensive resolution paths.

Navigating Construction Delay Disputes

Construction delay claims may involve a lot of moving parts, but the basic idea is that a project ran late, and the parties involved must evaluate causation, quantify impacts, and determine how responsibility and resolution should be addressedt. The delay types, causes, and claim mechanics covered here are the building blocks of how these disputes play out. Our claims and disputes teams support organizations facing these challenges worldwide.

For organizations with questions about construction delays, contact Rimkus to discuss specific needs.

Frequently asked questions

What kind of records matter most in a construction delay claim?

Schedules, daily logs, meeting notes, emails, change orders, and delivery records created during the project are generally the most important. Records made at the time events happened tend to carry more weight than documents put together afterward.

What does “critical path” mean in construction?

The critical path is the longest chain of dependent tasks in a project schedule that determines the project’s overall duration. If any task on this chain is delayed, the completion date may be pushed back, while delays to tasks outside the critical path may not affect the timeline if enough scheduling flexibility exists.

Can both the owner and the contractor be responsible for the same delay?

Yes, when both sides contribute to a delay during the same time period, it is generally called a concurrent delay. How responsibility is divided depends on the contract language and the specific facts of the situation.


Authored by: Rimkus Forensics Marketing Team

Published April 10, 2026. 

This article is intended to provide general information and insights into prevailing industry practices. It is not intended to constitute, and should not be relied upon as, legal, technical, or professional advice. The content does not replace consultation with a qualified expert or professional regarding the specific facts and circumstances of any particular matter.