1. companies that provide regular passenger and cargo flights
Usage: plural of airline

Examples

• Major airlines offer frequent flyer programs to reward loyal customers.
• Budget airlines have made air travel more affordable for many people.
• The airlines were forced to cancel flights due to the severe weather.
• Competition between airlines has led to lower ticket prices.
• International airlines must comply with safety regulations in multiple countries.
• Many airlines now charge extra fees for checked baggage.
• The merger created one of the world’s largest airlines.