enRoute was a credit card

Credit card

A credit card is a small plastic card issued to users as a system of payment. It allows its holder to buy goods and services based on the holder's promise to pay for these goods and services...

 issued by Air Canada

Air Canada

Air Canada is the flag carrier and largest airline of Canada. The airline, founded in 1936, provides scheduled and charter air transport for passengers and cargo to 178 destinations worldwide. It is the world's tenth largest passenger airline by number of destinations, and the airline is a...

 until 1992, when the airline sold its credit card division to Diners Club

Diners Club

Diners Club International, founded as Diners Club, is a charge card company formed in 1950 by Frank X. McNamara, Ralph Schneider and Matty Simmons...

.

Initially, the card was used only for Air Canada transactions, but over time, the card was expanded into a more general credit card for business travellers, being accepted by hotels, restaurants, and other merchants. It offered such features as detailed transaction details and sorting of expenses by category.

In 1989, enRoute card became the first credit card to earn its cardholders Aeroplan

Aeroplan

Aeroplan is a Montreal, Quebec, Canada based coalition loyalty program owned by Aimia , a global leader in loyalty management. The Aeroplan Program was created in July 1984 by Air Canada as an incentive program for its frequent flyer customers...

 miles with their purchases.
In 1992, Air Canada sold the $

Canadian dollar

The Canadian dollar is the currency of Canada. As of 2007, the Canadian dollar is the 7th most traded currency in the world. It is abbreviated with the dollar sign $, or C$ to distinguish it from other dollar-denominated currencies...

300 million enRoute card business to Diners Club. The move gave enRoute cardholders access to the existing Diners Club network of 2.1 million merchants at the time, while earning existing Diners Club Canada cardholders Aeroplan miles. For several years following the business transaction, Diners Club credit cards were marketed as in Canada "Diners Club/en route".

Today, enRoute remains the name of Air Canada's inflight magazine.