What caused McDonald's's drive-thru wait times to increase by 2 minutes on average across US locations last month?

Introduction

The recent increase in McDonald's drive-thru wait times by 2 minutes on average across US locations is a significant operational challenge that requires thorough analysis. To address this issue, I'll employ a systematic approach to identify, validate, and resolve the root cause while considering both immediate and long-term implications for the business.

Step 1

Clarifying Questions (3 minutes)

• Looking at the timing, I'm thinking this could be related to a recent menu change. Has McDonald's introduced any new items or promotions in the last month?

Why it matters: Menu changes can significantly impact preparation times and order complexity. Expected answer: Yes, a new line of customizable burgers was introduced. Impact on approach: If confirmed, we'd focus on kitchen operations and staff training.

• Considering the scale, I'm wondering if this is a nationwide issue or localized to specific regions. Can you provide any geographic breakdown of the increased wait times?

Why it matters: Regional variations could point to different root causes or implementation issues. Expected answer: The increase is relatively uniform across regions. Impact on approach: A uniform increase would suggest a systemic issue rather than localized factors.

• Given the nature of drive-thru operations, I'm curious about any recent changes in technology or processes. Have there been any updates to the ordering system or kitchen equipment in the past month?

Why it matters: Technological changes can have unintended consequences on efficiency. Expected answer: A new AI-powered ordering system was rolled out to 30% of locations. Impact on approach: If confirmed, we'd investigate the system's performance and integration.

• Thinking about staffing, I'm wondering if there have been any significant changes in workforce management. Has there been any shift in staffing levels or turnover rates recently?

Why it matters: Adequate staffing is crucial for maintaining efficient drive-thru operations. Expected answer: No significant changes in staffing policies or turnover rates. Impact on approach: If staffing is stable, we'd focus more on process and technology factors.