21 August, 2025

Use a Burndown Chart to Spot Problems | Top 7 Burndown Chart Anti-patterns


Here’s a breakdown of common burndown chart anti-patterns. These are patterns can signal deeper issues in team performance, estimation, or process adherence. The list includes 7 anti-pattern signals, what causes each of them, and how to address it.

I used ChatGPT to help identify common Burndown Chart Anti-patterns.

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Top 7 Burndown Chart Anti-patterns

1. Flat Line at the Top

What it means: No work is being completed in the first few days of the sprint.

Causes:

  • Overplanning or long ramp-up at the sprint start.
  • Tasks not being broken down small enough.
  • Work-in-progress (WIP) limits ignored — team is spread too thin.

Fix:

  • Encourage pulling small, well-defined tasks.
  • Revisit backlog refinement quality.
  • Coach on swarming to finish items early.

2. Steep Drop at the End

What it means: Most of the work is marked done right before the sprint ends.

Causes:

  • Last-minute rush or ‘mini-waterfall’ behavior.
  • Testing, review, or deployment left to the end.
  • Definition of Done (DoD) not being followed throughout.

Fix:

  • Reiterate the importance of vertical slicing.
  • Integrate testing and review throughout the sprint.
  • Check that DoD includes all necessary criteria and is applied consistently.

3. Zig-Zag Pattern

What it means: Work is marked as done, then not done, or effort estimates fluctuate wildly.

Causes:

  • Inconsistent task updates.
  • Poor estimation or rework.
  • Tasks being reopened frequently.

Fix:

  • Encourage consistent daily updates.
  • Discuss rework in retrospectives—why did we miss it?
  • Reassess how the team sizes work & adjusts estimates.

4. Flat Line at the Bottom

What it means: All work is marked as done early, then nothing new happens.

Causes:

  • Work was underestimated.
  • More work wasn’t pulled in after early finish.
  • Artificial under-commitment to look good.

Fix:

  • Review velocity & improve future sprint planning accuracy.
  • Encourage pulling in more work if sprint goals are met early.
  • Address psychological safety—teams should feel safe to stretch.

5. Constantly Over Ideal Line

What it means: Team is consistently behind the planned pace.

Causes:

  • Overcommitment.
  • Blockers or interruptions.
  • Underlying estimation issues.

Fix:

  • Use retrospective to adjust sprint planning & capacity.
  • Track and remove recurring impediments.
  • Revisit story pointing practices and team velocity.

6. Not Updating the Chart Daily

What it means: The chart becomes outdated and useless.

Causes:

  • Manual process feels burdensome.
  • Team doesn’t see value.
  • No shared ownership of the board or tool.

Fix:

  • Automate if possible (e.g., Jira dashboards).
  • Emphasize chart’s role in transparency and ownership.
  • Make updates a routine part of the Daily Scrum.

7. Tracking Tasks Instead of Value

What it means: The team tracks sub-tasks or hours, losing sight of delivered value.

Causes:

  • Focus on activity over outcomes.
  • Misaligned Definition of Done.
  • Confusion between progress and completion.

Fix:

  • Align burndown tracking with completed backlog items, not subtasks.
  • Emphasize value delivery and customer perspective.
  • Ensure DoD includes ‘potentially shippable’ criteria.

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What Kit does a Project Manager Need?

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Mike Clayton

About the Author...

Dr Mike Clayton is one of the most successful and in-demand project management trainers in the UK. He is author of 14 best-selling books, including four about project management. He is also a prolific blogger and contributor to ProjectManager.com and Project, the journal of the Association for Project Management. Between 1990 and 2002, Mike was a successful project manager, leading large project teams and delivering complex projects. In 2016, Mike launched OnlinePMCourses.
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