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      Delta Air Lines

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      Data Scientist Interview

      Jul 26, 2021
      Anonymous employee
      Atlanta, GA
      Accepted offer
      Positive experience
      Average interview

      Application

      I applied through an employee referral. The process took 2 months. I interviewed at Delta Air Lines (Atlanta, GA) in Jun 2021

      Interview

      Great. They made me feel welcome. Introduced me to their team, briefed me on their leadership styles. The questions were not extremely difficult because I showed them the case studies and previous projects that I have worked on.

      Interview questions [1]

      Question 1

      How would you explain neural networks to a three year old?
      1 Answer
      1

      Other Data Scientist Interview Reviews for Delta Air Lines

      Data Scientist Interview

      Dec 9, 2025
      Anonymous Interview Candidate
      No offer
      Positive experience
      Difficult interview

      Application

      I applied online. The process took 2 weeks. I interviewed at Delta Air Lines in May 2025

      Interview

      The interview process consisted of several stages. First, I had a phone screening with the recruiter. Then I had a 30-minute phone interview with the hiring manager. After that, I was given a dataset and a set of tasks where I needed to perform data preparation, exploratory analysis, and build a prediction model; I uploaded my completed work for review. Next, I participated in a 4-hour panel interview with a team of 4–5 people, during which I walked them through my entire workflow and answered technical follow-up questions. I believe there was also one final step after that, completing the overall process.

      Interview questions [1]

      Question 1

      One of the questions I was asked in my data science technical interview was to flatten a nested dictionary. The original dictionary contained a mix of dictionaries and lists as values, and those lists and dictionaries were also nested inside each other. My task was to fully flatten this structure into a single list.
      Answer question

      Data Scientist Interview

      Apr 22, 2025
      Anonymous employee
      Accepted offer
      Positive experience
      Difficult interview

      Application

      I applied through college or university. I interviewed at Delta Air Lines in Apr 2025

      Interview

      This stage often includes questions on data science concepts and SQL proficiency. Example questions: "Explain how you handled data imbalance in a project." "Write a SQL query using advanced functions like LEAD and LAG Describe a time when you were overwhelmed at work. What was the situation, and how did you handle it?

      Interview questions [1]

      Question 1

      Tell us about yourself ? About my projects, my work experience
      Answer question
      2

      Data Scientist Interview

      Feb 14, 2025
      Anonymous Interview Candidate
      No offer
      Neutral experience
      Average interview

      Application

      I interviewed at Delta Air Lines

      Interview

      I applied for a Data Scientist position and received an online assessment relatively quickly. However, after completing the OA, I didn’t receive any further updates from the company. There was no follow-up interview or communication regarding the next steps.
      1

      Delta Air Lines interviews FAQs

      • Data Scientist applicants have rated the interview process at Delta Air Lines with 3.3 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 57% positive. To compare, the company-average is 73.8% positive. This is according to Glassdoor user ratings.
      • Candidates applying for Data Scientist roles take an average of 34 days to get hired, when considering 7 user submitted interviews for this role. To compare, the hiring process at Delta Air Lines overall takes an average of 41 days.
      • Common stages of the interview process at Delta Air Lines as a Data Scientist according to 7 Glassdoor interviews include:

        Background check:  22%

        One on one interview:  22%

        Phone interview:  11%

        IQ intelligence test:  11%

        Personality test:  11%

        Presentation:  11%

        Skills test:  6%

        Group panel interview:  6%

      • Here are the most commonly searched roles for interview reports -

        1. Flight Attendant(1243) ;
        2. Ramp Agent(418) ;
        3. Customer Service Representative(344) ;
        4. Customer Service Agent(198) ;
        5. Customer Experience Specialist(186) ;
        6. Ramp Agent - Ready Reserve(151) ;
        7. Airline Pilot(137) ;
        8. CSA - Customer Service Associate(104) ;
        9. Delta Flight Attendant(99) ;
        10. Manager(94) ;
        11. Customer Service(80) ;
        12. Reservations Agent(79) ;
        13. Gate Agent(65) ;
        14. Ramp Agent/Baggage Handler(65) ;
        15. Project Manager(61) .


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      Jobs at Delta Air Lines

      22 jobs in United States
      Decision Scientist I
      Atlanta, GA
      ·
      $79K - $110K /yr
      (Glassdoor est.)
      View job
      Graduate Intern, Data Scientist (Fall 2026)
      Atlanta, GA
      ·
      $85K - $154K /yr
      (Glassdoor est.)
      View job
      Graduate Intern, Reservations (Data Science) - Fall 2026
      Atlanta, GA
      ·
      $44K - $72K /yr
      (Glassdoor est.)
      View job
      Graduate Intern, Reservations (Data Science) - Fall 2026
      Atlanta, GA
      ·
      $44K - $72K /yr
      (Glassdoor est.)
      View job
      Graduate Intern, Innovation - AI Engineering (Fall 2026)
      Atlanta, GA
      View job
      View all Data Scientist Jobs