Like any retailer, airlines advertise sales.

The airline has been advertising for and training nonunion mechanics to do the work.

A year ago the nation's airlines, desperate to increase their winter business, were widely advertising bargains like two tickets for the price of one.

"Very often airlines will advertise promotional fares in newspapers before they let us travel agents know," she said.

In addition, airlines and travel agents may not advertise connections through Love Field.

For instance, an airline could advertise a fare and then add a fuel surcharge, increasing the overall cost of the ticket.

The airline advertised its service as "High Class.

Those were the days when airlines in the United States advertised weekend shopping trips to London, touting the bargains travelers could find.

Earlier in the spring, many airlines advertised a summer program allowing children to fly free or for $1 when traveling with an adult.

Low-cost airlines serving the airport advertise it as Toluca/Mexico City.