Interview Questions › Product Design

Design a better airline digital boarding pass

Redesign the end-to-end digital mobile boarding pass and airport day-of-travel experience for modern air travelers.

Context

Current digital boarding passes are static 2D barcodes with cluttered alphanumeric flight codes (e.g. "DL 1422 CLS V SEAT 14B") that fail to guide travelers dynamically through the stress of security, gate changes, and boarding zones.

Clarifying questions to ask first

How to approach it

  1. Analyze the Day-of-Travel Emotional Journey: Pre-Airport Anxiety -> Security Line Friction -> Terminal Navigation & Gate Finding -> Gate Waiting / Boarding Zone Scramble -> In-Flight Settling
  2. Identify Cluttered Legacy UI Flaws: Critical information (Gate, Boarding Time, Group) buried under marketing loyalty tiers; zero real-time context updates when gates change
  3. Design a Dynamic Context-Aware Boarding Experience:
  4. 1. State-Shifting Dynamic UI: Morph display based on airport phase (Shows Security TSA Wait Times -> Morphs to Gate Map -> Morphs to Large High-Brightness Barcode at Gate -> Morphs to Seat Finder & Baggage Carousel upon landing)
  5. 2. Live Gate Change & Delay Push Alerts with interactive airport indoor navigation map
  6. 3. Boarding Group Countdown Timer (eliminates crowded gate lice behavior)
  7. Define success metrics

Framework: User Airport Journey & Stress Points -> Information Hierarchy Audit -> Contextual State Machine UI -> Live Activities / Hardware Integration -> Success Metrics

Sample answer

  1. MVP: Live Activities lock-screen pass that shifts through 4 distinct visual states: 1) Transit to airport (terminal/traffic), 2) Security (TSA pre-check badge), 3) Gate (countdown & seat group), 4) Boarding (oversized high-contrast QR code + overhead bin guidance)

Executive design: A dynamic, context-aware boarding pass that morphs across your journey from security wait times to indoor terminal directions and high-contrast gate QR codes.

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