Product design question
How would you improve the worst post-booking experience for an airline?
- DoorDash
- Product design
- Hard
Practice this question out loud. An AI interviewer asks it, follows up like a real interviewer would, and scores your answer. Type or speak.
Start a mock interview on this question · Mock interview from a job description
What this question tests
Product improvement under an extreme framing: identifying the worst friction in an unfamiliar journey and proposing a targeted fix.
How to approach it
- Pick a concrete worst-case scenario, such as a canceled or significantly delayed flight with poor rebooking support.
- Identify the core pain points: lack of proactive communication, confusing rebooking flow, and unclear compensation policy.
- Propose a concrete fix, like proactive push notifications with rebooking options the moment a delay is confirmed.
- Consider feasibility, since this requires real-time data integration with the airline's operational systems.
- Define success as reduced customer support contact rate and faster rebooking completion time.
What a strong answer includes
- Anchors 'worst' in a specific, real scenario (flight cancellation) rather than staying abstract.
- Proposes proactive communication as the core fix, addressing the top complaint in airline post-booking experiences.
- Names a concrete mechanism, like one-tap rebooking to the next available flight directly from the notification.
- Uses an assumed metric, e.g. cutting support call volume by 30 percent during disruption events.
Common mistakes
- Staying abstract about what 'worst' means instead of picking a concrete scenario.
- Proposing a fix requiring data the airline is unlikely to share, with no discussion of that constraint.
- Not defining a way to measure whether the fix actually helped.
Likely follow-up questions
- How would you get real-time data from airlines for this feature?
- How would you handle compensation policy differences across airlines?
- What would you prioritize first given limited engineering resources?
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More questions from DoorDash
Learn the skill behind it
Chapters of the AI PM course that teach what this question tests.
- Chapter 4: Discovery and strategy for AI products
- Chapter 7: AI UX and human oversight: design for a system that is wrong sometimes
- Chapter 14: Get the job: the AI PM interview loop