Low-cost carriers (LCC) are the airlines passengers around the world love to hate. In 2024, LCC carriers will account for around 34% of the US airline capacity, with legacy airlines accounting for the other 66%. A new OAG report sheds light on LCC carriers both in the US and internationally, together with the industry trends. Note that some carriers are not truly binary LCC or full-service (e.g. Southwest is considered a hybrid that pioneered the LCC model). Some US-based low-cost carriers are even introducing premium options in their cabins.