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How to Pass the IAG (International Airlines Group) Supply Chain Interview in 2026

Enterprise · Supply Chain Interview Guide

Interview language: English

The IAG (International Airlines Group) DNA (TL;DR)

IAG's 'The Group' hiring prioritizes individuals who can effectively manage and optimize large-scale operations across airlines like Aer Lingus and Iberia. Interviewers assess a candidate's aptitude for implementing solutions that align with the 'Technology Sustainability Airline' vision, ensuring robust, future-proof travel services.

The IAG (International Airlines Group) Interview Loop

Your onsite loop will typically consist of 5 rounds.

1
Round 1
Recruiter Screen
Motivation, operations background, supply chain interest.
2
Round 2
Operations Case
End-to-end supply chain optimization, bottleneck diagnosis, network design.
3
Round 3
Forecasting & Planning
Demand planning, S&OP, inventory optimization, working with statistical and ML forecasts.
4
Round 4
Optimization
Linear programming intuition, route optimization, facility location, trade-offs between cost/service/CO2.
5
Round 5
Behavioral / Leadership
Past evidence of ownership, influence, resolving conflict.

The Danger Zone: Top Reasons Candidates Fail

Based on our database of IAG (International Airlines Group) interview outcomes, avoid these common traps:

Focusing only on cost without considering service level or strategic importance of the region.
Treating spare parts demand like typical consumer goods, ignoring the impact of maintenance and fleet utilization.
Blaming the forecasting team or tools without taking ownership of finding solutions.
Failing to articulate the analytical process or the rationale behind the chosen option.

Test Yourself: Real IAG (International Airlines Group) Questions

Three real prompts pulled from our database.

Type · optimization

IAG is considering establishing a new regional distribution hub for aircraft parts in Asia. What factors would you consider when deciding on the optimal location for this facility, and what are the key trade-offs between cost, service level, and environmental impact (CO2 emissions)?

Type · behavioral

STAR

Tell me about a time you made a mistake in a supply chain process or decision. How did you identify it, what did you do to rectify it, and what did you learn from the experience?

Type · operations background

Describe your experience with operational processes, particularly those involving inventory, logistics, or network management. How have you contributed to improving efficiency or reducing costs in these areas?

+ many more questions, signals, and worked examples

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IAG (International Airlines Group) Interview Question Bank

A sample from our database, grouped by round. Sign up to see the full set.

10 of 15 questions shown

Recruiter Screen

1
Type · motivation
What specifically about supply chain management within the travel industry, and particularly at IAG, interests you?
2
Type · operations background
Describe your experience with operational processes, particularly those involving inventory, logistics, or network management. How have you contributed to improving efficiency or reducing costs in these areas?

Operations Case

3
Type · case study
Imagine a scenario where one of IAG's key maintenance, repair, and overhaul (MRO) facilities experiences a significant disruption due to unforeseen equipment failure. This impacts the availability of critical aircraft parts. How would you diagnose the root cause of the disruption and what immediate steps would you take to mitigate the impact on flight operations?
4
Type · case study
IAG is considering a new strategy to centralize its spare parts inventory across its various airlines to reduce holding costs. What are the potential benefits and risks of this approach, and what key factors would you analyze to determine its feasibility and optimal implementation?
+ 1 more questions in this round (sign up to unlock)

Forecasting & Planning

5
Type · forecasting
How would you approach forecasting demand for aircraft spare parts, considering factors like seasonality, flight schedules, aircraft type, and maintenance cycles? What data sources would be crucial?
6
Type · forecasting
Describe your experience with Sales and Operations Planning (S&OP) or Integrated Business Planning (IBP). How have you used demand forecasts to influence production or supply plans, and what challenges did you face in aligning different departments?
+ 2 more questions in this round (sign up to unlock)

Optimization

7
Type · optimization
Explain the intuition behind linear programming. How might you use it to optimize the routing of our cargo flights to minimize fuel consumption while meeting delivery time windows?
8
Type · optimization
IAG is considering establishing a new regional distribution hub for aircraft parts in Asia. What factors would you consider when deciding on the optimal location for this facility, and what are the key trade-offs between cost, service level, and environmental impact (CO2 emissions)?
+ 1 more questions in this round (sign up to unlock)

Behavioral / Leadership

9
Type · behavioral
STAR
When coordinating the integration of a new airline into the IAG group, supply chain processes often conflict due to legacy systems. Describe a time you had to align disparate procurement or logistics workflows between two distinct operating entities to ensure a unified group-wide standard.
10
Type · behavioral
STAR
IAG is committed to the Technology Sustainability Airline vision. Describe a project where you identified an opportunity to reduce the carbon footprint of our logistics or ground handling operations through supply chain process improvements, even when it required challenging established cost-saving metrics.
+ 1 more questions in this round (sign up to unlock)

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Interview tracks at IAG (International Airlines Group)

How IAG (International Airlines Group)'s DNA translates across functions. Pick your role.

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Practice IAG (International Airlines Group) interviews end-to-end

IAG (International Airlines Group) Mock Interview

Run a live mock interview with our AI interviewer using IAG (International Airlines Group)-style prompts. Get scored on structure, signal, and answer length - exactly how the real loop grades you.

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STAR Stories for IAG (International Airlines Group) Behavioral Rounds

Build a Story Bank of your past wins, mapped to the leadership signals IAG (International Airlines Group) interviewers grade on. Reuse them across every behavioral round.

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IAG (International Airlines Group) Interview Prep Hub

The frameworks behind every IAG (International Airlines Group) round: CIRCLES for product sense, hypothesis-driven debugging for analytical, STAR for behavioral. Learn each one in 10 minutes.

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Interview Frameworks

CIRCLES, STAR, AARRR, RICE, MECE. The exact frameworks that make IAG (International Airlines Group) interviewers nod instead of frown. Step-by-step playbooks with the moves and the pitfalls.

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Sample answers

What a strong answer to these IAG (International Airlines Group) interview questions shows.

A strong answer shows: Structured approach to facility location analysis.; Understanding of cost-service-CO2 trade-offs.; Strategic thinking about network expansion..

Tell me about a time you made a mistake in a supply chain process or decision. How did you identify it, what did you do to rectify it, and what did you learn from the experience?

A strong answer shows: Accountability and honesty.; Effective problem-solving under pressure.; Commitment to learning and improvement..

Frequently asked questions

How long does the IAG (International Airlines Group) interview process take?

Most candidates spend between 4 and 8 weeks from recruiter screen to offer. The onsite loop itself runs in a single day or is split across two half-days, with debrief and offer typically within 5 business days after.

How should I prepare specifically for IAG (International Airlines Group)?

Focus on three things: (1) the company DNA shown above - what they actually grade for, (2) the rounds in your loop, especially the round most candidates underestimate, and (3) drilling on the question types in this guide using a structured framework like CIRCLES or STAR.

Does this apply to engineering or design roles at IAG (International Airlines Group)?

The DNA stays the same - what changes is the round mix. SWE candidates face coding screens instead of Product Sense; designers face portfolio reviews and design exercises. The "what they value" and behavioral signals carry across all functions.

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