100 questions written for Delta Air Lines’s actual selection process. Below are 5 of them in full — the prompt, what the panel is really probing, a model answer, the red flags that fail it, and the follow-ups that come next. No account, nothing to sign.
Question 1 of 100·behavioral
You will sit the MMPI-2 onsite. How do you approach it?
What they are really probing: The instrument candidates fear most and understand least. Delta runs it on the day, usually alongside the panel. Trying to manage it is the one approach guaranteed to fail.
Model answer
Understand what it is before you decide how to sit it. The MMPI-2 is a long clinical personality inventory with several hundred true/false items, and it is not an aptitude test, not a puzzle, and not something you can prepare answers for. Crucially, it contains validity scales specifically designed to detect people presenting themselves as better than they are, answering inconsistently, or trying to work out what the desirable answer is. That is the whole point of the design, and it means the single most dangerous thing you can do is try to manage your profile. So the approach is: answer honestly, answer quickly, and answer consistently. Do not sit and reason about each item — the instrument expects a first reaction and over-thinking produces the inconsistency the validity scales flag. Do not try to be perfect; a profile with no flaws at all is itself a flagged result, because nobody is like that. Practically: sleep the night before if you can, eat, and treat it as a stamina task rather than an exam, because fatigue late in a long inventory is what produces inconsistent answering. If a question feels intrusive, answer it anyway — they are standardised items, not judgements about you. Then the framing for the interview, if you are asked this out loud: say that you would answer it honestly because that is the only way it works, and because an airline that hires a version of you that does not exist has not hired anyone useful. That answer is both correct and the one they want.
What fails this question
- — Suggesting you would work out the desirable answers
- — Treating it as an aptitude test to be revised for
- — Over-thinking items rather than answering on first reaction
- — Attempting to present a profile with no weaknesses at all
Follow-ups they ask next
- — What do you think the validity scales are looking for?
- — How would you prepare the night before?
- — What would you do if a question felt intrusive?
Question 2 of 100·company-knowledge
Delta does not require an ATP at application. What does it actually require, and why does that matter?
What they are really probing: The most commonly misunderstood fact about Delta hiring. Pilots rule themselves out over a certificate Delta never asked for.
Model answer
State it precisely, because the precision is the point. Delta asks for an FAA Commercial Pilot Certificate with Instrument-Airplane, and a current ATP written — the knowledge test — rather than the ATP certificate itself at the point of application. The hours are 1,500 total documented, with a minimum 250 PIC or SIC in airplane category and 50 hours multi-engine, and 500 hours of fixed-wing turbine required with 1,000 preferred. Age 23 minimum. Legally authorised to work in the United States without sponsorship. A current First Class medical. Then the documents that are easy to miss and that stop people at the door: the FCC Radiotelephone Operator's Permit, a valid passport, and a Yellow Fever vaccination card. Say that last one specifically, because candidates get caught by it and almost nobody mentions it. A four-year degree is highly preferred and not required — say both halves, because the preference is real and the requirement is not. Then why it matters, which is the actual question: pilots who assume every US major requires the certificate delay applying while they finish it, and some never apply at all. The written expires, so keeping it current is the thing to watch. Close by connecting it to how you would answer if asked about your own file: know your numbers exactly, including the split between PIC and SIC and your turbine total, because a candidate who is vague about their own logbook is a candidate whose application review will be slow.
What fails this question
- — Saying an ATP certificate is required at application
- — Not knowing the ATP written must be current
- — Missing the FCC permit, passport or Yellow Fever card
- — Being vague about your own hour splits
Follow-ups they ask next
- — What is your turbine total, exactly?
- — How long is the ATP written valid?
- — Which of the documents do you not currently hold?
Question 3 of 100·company-knowledge
Walk me through Delta's hiring process as you understand it.
What they are really probing: A checkable question. Knowing the stages tells them you researched; knowing what happens after the offer tells them you researched properly.
Model answer
Give it in order and keep it factual. You apply online through Delta's careers site with logbooks, certificates and references. The application is reviewed by two members of the pilot recruiting team rather than an algorithm alone, which is worth knowing because it means the file itself matters — a clean, consistent, well-organised logbook summary is read by people. If you progress, you complete an online Aon assessment covering cognitive or skills testing plus personality, before any invitation. Then the onsite: an in-person panel interview at Delta headquarters in Atlanta, with the MMPI-2 personality inventory typically taken the same day. If successful, a Conditional Job Offer often comes the same day — which is unusual and worth being mentally prepared for. Then say the part most candidates do not know, because it is where the marks are: the process does not end at the offer. There is a virtual psychology interview afterwards, a DOT pre-employment drug test, and a TSA fingerprint-based background check. Then, on hire, roughly two weeks of indoctrination followed by FAA-approved type training in the simulator, ending with the Wings ceremony. Close by saying what that shape tells you about preparing: the day in Atlanta is long and combines a panel with a lengthy inventory, so stamina and consistency matter as much as your answers, and the post-offer stages mean your paperwork and your history need to be in order before you ever apply.
What fails this question
- — Not knowing the assessment happens before the invitation
- — Thinking the process ends at the conditional offer
- — Unaware the panel and the MMPI-2 are the same day
- — No sense of what that means for how you prepare
Follow-ups they ask next
- — What happens after the conditional offer?
- — Why does it matter that two recruiters read the application?
- — How would you prepare for a day that long?
Question 4 of 100·behavioral
Why Delta, and not United or American?
What they are really probing: The comparison is the question. Anything that applies equally to all three tells the panel you are applying to all three.
Model answer
Build it on things that are specifically Delta and tie each to yourself. The hiring process itself is a legitimate answer and very few candidates use it: Delta screens with real instruments, reads applications by hand, and often decides the same day — that is an airline that takes selection seriously, and if that appeals to you, say so and say why. The Atlanta hub and the operational scale that comes with it is a different kind of flying from a coastal-hub network, and Delta's domestic depth plus the international build-out shapes a different career arc. Propel is Delta's own pipeline and if you came through it, that is your strongest paragraph. Say what you know about Delta's operational reputation for reliability and what that implies day to day — an airline that competes on completion factor makes different decisions about maintenance, spares and crewing than one competing purely on cost, and that affects your working life. Then the honest 'why now' in one sentence about your stage. Two things to avoid. Do not say 'the culture' with nothing behind it — every candidate says it and none of them can evidence it. And do not criticise United or American; the panel has friends at both, and a candidate who runs down a competitor has shown how they will talk about Delta somewhere else. If you have flown alongside Delta crews, been through Atlanta, or worked at a Delta Connection carrier, one concrete observation from that is worth more than any amount of reading.
What fails this question
- — Reasons that apply equally to any US legacy carrier
- — Criticising United or American
- — 'The culture' with no evidence behind it
- — No mention of the network, Propel or the operation
Follow-ups they ask next
- — What do you think Delta does differently operationally?
- — Have you applied to the other two?
- — What would make you turn down an offer from us?
Question 5 of 100·company-knowledge
What is Propel, and who is it for?
What they are really probing: Delta's own pipeline. If you came through it this is your easiest question; if not, they are checking whether you understand the airline.
Model answer
Describe it as a defined career path rather than a scheme. Propel is Delta's programme for taking pilots earlier than the direct-entry gate and giving them a structured route to a Delta flight deck — with distinct entry points depending on where you are: a college pathway for students at partner universities, a company pathway for people already working at Delta, and a military pathway. Successful candidates receive a conditional job offer and a defined qualification path, typically building time at a Delta Connection carrier before transitioning. Then the point that makes the answer land, and it is the same one that applies to every airline's pipeline programme: Propel does not lower the standard, it removes the uncertainty. You still have to meet the requirements and pass the same assessments; what you get is a relationship, a known route and a timeline instead of applying cold in five years and hoping. Candidates who describe it as a shortcut get corrected by the panel. If you came through Propel, say which pathway and where you are in it. If you did not, say what you make of it — an airline owning its own pipeline is a strategic choice with real costs, and a candidate who can discuss the industry's supply problem intelligently is showing more than programme knowledge. Close by connecting it to the Connection carriers, because understanding that Delta's regional partners are part of the same pipeline is the piece most candidates miss.
What fails this question
- — Calling it a shortcut or a way round the requirements
- — Not knowing there are distinct entry pathways
- — No awareness of the role Delta Connection carriers play
- — Reciting the programme with no view on why it exists
Follow-ups they ask next
- — Which pathway would apply to you?
- — How do the Connection carriers fit in?
- — Why would an airline invest in a pipeline like this?
Same depth as the 5 above — model answer, red flags and follow-ups on every one. You just read a twentieth of the pack; if those five were not worth your time, the rest will not be either, and you should not buy it.
— You have completed the Aon assessment before today. Was there anything about it you found difficult?
— Tell me about a time you disagreed with a captain.
— The day in Atlanta is long and you may get a decision the same day. How do you prepare for that?
— Tell me about a mistake you made that had consequences.
— What do you know about Delta's hubs, and where would you want to be based?
— Define V1, Vr and V2, and tell me what moves them.
— Explain the de-icing process and holdover time. Who owns the decision?
— What is ETOPS and what does it constrain in practice?
— MEL, CDL, NEF — what are they and who may defer an item?
— Define a stabilised approach and tell me the last point you would go around from.
Not affiliated with Delta Air Lines. Process details are sourced and dated; candidate-reported detail is labelled as reported.