The chad AirAsia; The virgin Spirit Airlines; Their on-board crew is more nicer, They have many comfortable seats, You get food for free (even though you pay for it), Named World's Best Low Cost Airline for 13 years and has a lot of destinations (including their subsidiaries); Has rude on-board crew, their seats are not uncomfortable, you pay additional fees for your luggages, their landing is not precise, only flies to a few destinations and is rated three stars according to Skytrax