Unrealistic roadmaps can have serious implications for companies. Many people underestimate the effect and consequences of even a simple mistake done by the wrong initiative alignment or inappropriate team assignment on a roadmap timeline. Such mistakes often accumulate and can negatively affect overall company performance, resulting in delays, project failures, and double-digit budget overruns followed by underinvestment and momentum lost to competitors.
How unrealistic roadmaps cause delays
Using of bad data for timeline estimation inflates real schedule boundaries
Very often data, such as high-level estimates of features or initiatives, are used for time estimation without any connection to uncertainty, team expertise or scope assumptions. In that situation that data may be inaccurate and misleading, as it represents an unrealistic path to feature delivery. Additionally, if data were produced by using low-precision planning techniques such as pure judgement, it would be subject to optimistic bias and elevated risk outcomes [1].
Lack of rigorous teams alignment creates bottlenecks
Many planning facilitators neglect calculating how multiple teams should be involved in different initiatives on a roadmap. When not aligned properly, multiple initiatives may collide and cause bottlenecks, and teams will simply burn out by trying to complete multiple things at the same time [2]. The bottlenecks by themselves lead to postponed deliveries, performance crisis, and scope reduction to meet the deadlines [2].
Absence of risk buffers creates a cascade of issues
Often risk management and calculating risk is not part of creating roadmaps. However, it poses a large threat to roadmap performance and deliverability. In an environment of a limited number of teams, even a single feature delay can cause a cascade effect on the delivery of the whole roadmap, which may then lead to significant performance issues and subsequent feature delays, if the appropriate safety buffers are missing [3].
Infrequent updates create stale roadmaps with teams starting to waste resources for irrelevant activities
In the software business, new requirements can arrive all the time. A need to seek new opportunities or make important tradeoffs is high and happens regularly. However, many companies choose to fight for the original roadmap rather than change it. If roadmaps are not updated with new requirements constantly, teams just start to ignore them altogether, creating their own roadmaps that accommodate the new requirements that management ignored in order to adhere to the original, outdated plan [4]. Such roadmaps crafted by teams often don’t completely match the company’s strategy and lead to wasting company’s resources for non-relevant activities, ignoring company’s initial strategic goals [4]. Despite the company fighting for the original roadmap, an outcome opposite to their goal is achieved.
What delays mean for stakeholders and customers
Many companies believe that delivery issues are “normal,” however it’s questionable whether customers or stakeholders share the same opinion. Let’s review a few obvious side effects of missed deliveries.
Project failures and budget overruns
When roadmaps are unrealistic they can run into budget problems and ultimately fail without being completed [0]. When vendors fail to deliver the promised features, customers may become dissatisfied, question the vendor’s credibility, or lose trust in its ability to meet future commitments. [5]
Slow growth
One of the consequences of unrealistic roadmaps is a slow down of growth, which occurs when a promised functionality is not ultimately delivered. As a result, the value is never monetized. In software companies, growth velocity directly impacts valuation metrics like the “Rule of 40;” when revenue growth stalls due to delivery bottlenecks, companies lose credibility with investors and struggle to secure future funding rounds [6].
Losing momentum to competitors
Speed is one of the most valuable components for success for both big and small companies. If a roadmap is constantly delayed, the company can lose momentum to competitors and experience seized opportunities and strategic failures [7].
What should be done instead
Companies should pay heed to creating well-balanced, properly aligned, and realistic roadmaps. Neglecting diligence in the strategic planning process simply isn’t worth it. The mistakes and risks mentioned earlier will cost a much higher price. Spending a week gathering requirements and aligning teams, and then dedicating one day a week to make operational roadmap updates will cost companies much less than losing to competition or the next investment round [4].
A reliable roadmap should:
Use realistic estimates that account for uncertainty and assumptions and clearly connect to a specific scope
Align teams and dependencies before committing to delivery timelines
Account for risk rather than assuming everything will go according to plan
Define the scope and expected outcomes clearly enough to distinguish genuine delivery from scope reduction
Be updated regularly as new information, requirements, and opportunities emerge
A good roadmap does not mean that nothing will ever go wrong. Unexpected events will always happen: people leave, requirements change, dependencies fail, and new risks emerge. The purpose of a reliable roadmap is to account for known uncertainty and provide a mechanism to react to new information before it turns into a missed commitment. If a significant event makes the original commitment unrealistic, the roadmap should be adjusted and the commitment renegotiated before the delivery date is missed.
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Links
[0] - BCG Group (2024) . Software Projects Don’t Have to Be Late, Costly, and Irrelevant
https://www.bcg.com/publications/2024/software-projects-dont-have-to-be-late-costly-and-irrelevant
[1] - Steve McConnell (2006). Software Estimation: Demystifying the Black Art, 1st edition. Microsoft Press
[2] - Matthias Patzak (2025). Deliver Faster by Limiting Work in Progress. AWS Executive in Residence Blog
https://aws.amazon.com/ru/blogs/enterprise-strategy/deliver-faster-by-limiting-work-in-progress/
[3] - Ellinas, C. (2019). The Domino Effect: An Empirical Exposition of Systemic Risk Across Project Networks. Production and Operations Management, 28(1), 63-81. https://doi.org/10.1111/poms.12890
[4] - Trieflinger S, Münch J, Bogazköy E, Eißler P, Schneider J, Roling B. Product Roadmap Alignment – Achieving the Vision Together: A Grey Literature Review. Agile Processes in Software Engineering and Extreme Programming – Workshops. 2020 Aug 18;396:50–7. doi: 10.1007/978-3-030-58858-8_6. PMCID: PMC7510781.
https://pmc.ncbi.nlm.nih.gov/articles/PMC7510781/
[5] - John A. Hoxmeier. (2000). Software Preannouncements and Their Impact on Customers’ Perceptions and Vendor Reputation. Journal of Management Information Systems, 17(1), 115–139.
https://doi.org/10.1080/07421222.2000.11045635
[6] - McKinsey & Company. (2021, August 3). SaaS and the Rule of 40: Keys to the critical value creation metric.
[7] - Paternoster, N., Giardino, C., Unterkalmsteiner, M., Gorschek, T., & Abrahamsson, P. (2014). Software development in startup companies: A systematic mapping study. Information and Software Technology, 56(10), 1200–1218. https://doi.org/10.1016/j.infsof.2014.04.014