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KLM - Book a flight
KLM Koninklijke Luchtvaart Maatschappij N.V. · 119,547 ratings · ★ 4.4
4.4
★★★★★
119,547 ratings
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Top complaints - extracted from 79 negative reviews
Recurring phrases mined from 1-2★ reviews. The bigger the percentage, the more users have the same problem. Fix the top 2-3 in your version and you have product-market fit on day one.
1
"flight"
13 negative reviews mention this · 16% of all complaints
★★★★★ "kept crashing while trying to book a flight" - Ryan Young
2
"service"
12 negative reviews mention this · 15% of all complaints
★★★★★ "Abysmal app, unworthy of an otherwise good airline. Constant glitches, payments are deducted from bank account or PayPal but not recognized, blame is shifted onto the customer. Bookings vanish overnight but refunds take ages and multiple tr…" - D Xe
3
"work"
11 negative reviews mention this · 14% of all complaints
★★★★★ "Stopped working on android" - Anant Rao
4
"customer"
8 negative reviews mention this · 10% of all complaints
★★★★★ "Abysmal app, unworthy of an otherwise good airline. Constant glitches, payments are deducted from bank account or PayPal but not recognized, blame is shifted onto the customer. Bookings vanish overnight but refunds take ages and multiple tr…" - D Xe
5
"flights"
8 negative reviews mention this · 10% of all complaints
★★★★★ "Constant loading issues, especially when searching flights. Also, where did your China Airlines award redemptions go???" - Elijah O
📋 All 79 negative reviews
Every 1-2★ review we fetched. Use the copy button to grab them all for your own analysis (paste into ChatGPT/Claude with a prompt like "summarize core user problems, group by theme, ignore bugs, focus on missing features").
I can't even login.
shitapp
Stopped working on android
De oude app was goed, nu is het heel onoverzichtelijk, onbetrouwbaar en traag. De taal in de app kan je niet veranderen. (wat best stom is voor zo'n app) En ik heb mijn brouwser moeten gebruiken om toegang te krijgen.
payment screen doesn't work
Poor. Couldn't pay online on mobile or laptop. Downloaded the app. Could only pay by bank transfer, and it is still pending despite money coming out of my account.
People be very careful with their FLYING BLUE programme is nothing but scam. I earned some miles after traveling and I also bought some. After some few years they canceled the miles I earned after traveling and later canceled the one's I bought. I believe they can cancel the one's I earned by saying it has expired but what about the one's I paid with my hard earned money? I reserved it for the future and they shamelessly deleted everything. People who wants to enroll on this FLYING BLUE desist.
can't paste cc numbers. can't use password managers. get with it klm.
Not suitable for older travelers.
this app used to work great. then all of a sudden I open it one day and I'm logged out and cannot get logged back in. I'm not entering wrong details and replies by KLM are painfully slow on WhatsApp. this used to be a great app now it's garbage
The app is not working.
I will delete my app and me and my family will never use this scam company again. Only used once to fly to Kilimanjaro. They lost our luggage, my backbag was completely destroyed. They refused any kind of reasonable compensation. Not even cover the price of the backbag, not to talk about other costs related to delayed luggage, broken hiking gear, missing items. Avoid at any costs!!!!!
Abysmal app, unworthy of an otherwise good airline. Constant glitches, payments are deducted from bank account or PayPal but not recognized, blame is shifted onto the customer. Bookings vanish overnight but refunds take ages and multiple tries with the customer service. The "social media" customer service via Whatsapp is somehow even worse. 3h of trying to blame the customer until accepting responsibility but deferring to the helpline due to inability. How this app can get 4,4stars is beyond me.
impossible to log into my account
I need to refresh 1000 times just to see a random text which I can't even tap, use or anything with, mind you, my internet connection is perfect no matter what excuse you have to make & blame me for, so either keep this 1 star review or actually work the app to make it better & actually decent.
Unable to login
I have had to reinstall app multiple times to see my boarding pass
Be very careful if you're traveling with KLM and you're not Dutch or at least Dutch speaking. The crew will profile you and treat you differently. Specially the ones who have been 20+ years with the company, they abuse their power and mistreat you as if you don't matter. On top of that, when you make a complaint to the CEO, it is taken lightly as if nothing happened. Very disappointed at the company.
Slow. More features should be added to enable passengers manage their account without the need to wait for hours to speak with an agent.
Expensive airline. Useless app. Now booked to another airline.
useless. can't even send auth code to email that I need to log in
Beware the booking via the app with partial miles does NOT work well. I received a confirmation email saying everything is OK and will get my tickets soon. As I was fearing after calling KLM service, waiting on the line, I understood it was NOT confirmed (contrary to the email received). I was refunded and told to book via the website (i.e. surely an issue with the app). I told the customer service person to notify the IT department to avoid similar issues (not sure if this will be done).
2021: if this is one of the "best" Airlines disheartens me. Flights SUPER EXPENSIVE and get canceled without ANY compensation or consideration, the extra costs thereto must be borne by me. Food is generally terrible. I'm a loyalty member and feel handled like a cow in a stable. if this is the best, how to expectof the rest?... the app is also constantly failing, 10 out of 10 times i try to book it shows a "technical error" from their site. Big fat waste of time. PS 2026: THE SAME.
In the reviews summary generated by AI, it mentions that there are glitches & also users have trouble logging in. Well, this seems to still be the case, I'm unable to log in. Any help would be appreciated.
They don't fix confirmation emails issue for over 6 months already. It simply doesn't work.
KLM has really bad service, loses the luggage half the times and are unavailable when you need help
March 31 2026...I couldn't have imagined that in the year 2026 there could be a worse log in set-up...yet this app takes the prize
Let’s hope they take better care of airplanes than they do of this app.
by far, the shitiest customer suport. Waited 14 days for an answer, i am done with KLM
I couldn't even change my flight dates with this app. I needed to call a call center and they changed my flight and emailed me a paylink. So, no use for the app. It doesn't work
The single most stressful app I have ever used. I need my boarding pass but to do that I need to verify my email. But it won't send me an e-mail even after trying 10 times. What kind of useless app can't even send an e-mail? Really stressing me out giving me a horrible impression of KLM.
Your one time pin are not working been trying all day to eegister for in flight wifi.
Totally illogical design. You are asked to log in 2 or 3 times while you are still on the same page or dealing with the same issue. Also, it is not easy to navigate where you want to be. NOT user-friendly design whatever.
constant ads and does not fulfill its purpose
unable to load flights for redemption.. always prompted error
The app is simplistic yet painful to use. User data is often not saved and has to be manually input each time. KLM itself are price gouging, greedy and irritating. Ive unfortunately has to fly with them many times. Their business model consists of "charge the absolute maximum while providing the absolute minimum". They rely on cornering the market on certain routes around Europe and jacking up the price. Ive seen them charge over 1000eur 1.30 hour flights.
KLM has gone completely downhill, terrible service degradation and rude staff.
report by 1 star this app need to be remove and all the relate by date to date bye bye some off them. all we got *
terrible customer service. klm rebooked my flight with almost no warning. split it between two airlines that dont communicate with eachother and did nothing to help. only threatening legal action against one of the partner airlines kept me from missing my flight entirely. i will never choose klm again.
Faulty app, dosen't allow log in even though the user has a KLM account, input e mail, Flying Blue number unique code, return you to log in again and again. Poor app.
won't let me create account, just get message saying "sorry, something went wrong, please try again"
push advertising notifications are obnoxious but you can't disable them without turning off relevant ones about flight disruptions.
App and website don't work!!! An airline where you can't search for flights because the flight search does not work!! Simply mind blowing!!
Website Search is Very Slow and also Search button is only working after multiple clicks.
won't log me on... I get through the passcode screen after logging in and the App just reverts to the log in screen again. go to my Trips and then it says log in again. I have uninstalled and reinstalled the App, as well as restarted my phone.
This app sucks! Can't sign in even with a one time pin and even after update. If I try to go to My trips, it tells me I have none when I damn well do! I was trying to see about a seat change that was imposed on me but can't do it. Love the airlines, hate the app!
klm tickets playing up with ticket price ..really disappointed
I booked a flight from Helsinki to Ho Chi Minh and back through KLM via HCM-Kuala Lumpur-Amsterdam. The KLM-app, would not let me check-in, so had to check-in via Malaysia Airlines (first flight). There it was not possible to select seats for Kuala Lumpur to Amsterdam. I contacted KLM-WhatsApp & they said to go to the counter at Kuala Lumpur and ask for a seat change, however there it was not possible. I spent 900€s/person and had to sit 13 hours seperate from my wife. I do no recommend KLM
In January, I was ment to fly 11th January between Norway and Ireland. Klm told me to not come to Amsterdam due to lack of de-icer and the flights were getting cancelled. I was forced to change my flight and I had to pay for the new ticket. Then an earlier flight became available and Cs told me on the phone I'd get my money back if I made a refund ticket. I made the ticket and I was refused my money back. This is not acceptable, klm need to make this right. They didn't deliver on their promise.
this app does not work in the United States. one cannot sign up and use it. no support, no alternatives. this is true reflection of their service.
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Sentiment summary
86%
Positive (4-5★)
4%
Neutral (3★)
10%
Negative (1-2★)