Core Insights - KLM is the flag carrier of the Netherlands and the oldest airline still operating under its original name, based at Amsterdam Schiphol Airport [1][3] - KLM is a member of the SkyTeam alliance, offering a versatile loyalty program called Flying Blue, which allows members to earn and redeem miles with KLM, Air France, and other partners [3][4] - KLM serves over 160 destinations globally, with a fleet of 120 aircraft and an annual passenger count of 32 million [3][5] Frequent Flyer Program - The Flying Blue program offers flexible redemption options, including flights, upgrades, and non-flight rewards such as hotels and car rentals [4][8] - Members can earn miles through flights and purchases with various partners, and miles expire after two years without qualifying activity [9] - Flying Blue has three elite status tiers: Silver, Gold, and Platinum, providing various benefits such as bonus miles and lounge access [10][11] Cabin Classes and Fares - KLM offers a range of cabin classes from no-frills economy to premium business class, with specific fare types affecting baggage allowance and flexibility [2][13] - Economy fares include Basic, Light, Standard, and Flex options, while business class features Light, Standard, and Flex fares [19][20] - Premium Comfort Class is available on intercontinental flights, providing enhanced amenities and services [17][18] Baggage and Fees - KLM has specific baggage allowances based on fare types, with additional fees for extra pieces and oversized baggage [23][24] - Change and cancellation fees vary by fare type, ranging from €70 to €300 or $75 to $330 [28] - Additional services such as Wi-Fi, pet transportation, and unaccompanied minor fees are also available [28] Customer Satisfaction and Ratings - KLM has a low customer satisfaction score of 1.4 out of 5 on TrustPilot, with common complaints about booking difficulties and unhelpful staff [38] - The airline has a strong safety record, with no fatal incidents since 1994, and is rated the 21st best airline in the world by Skytrax [39][41] - Despite customer service challenges, KLM is recognized for its reliable service and quality inflight experience [43][44]