Updated

NAME: Delta Air Lines Inc.

HEADQUARTERS: Atlanta.

HUBS: Atlanta, Cincinatti, New York, Salt Lake City.

CEO: Richard Anderson.

YEAR FOUNDED: 1929.

EMPLOYEES: 55,044 total full-time employees as of the end of last year.

2007 REVENUE: $19.15 billion.

LAST QUARTER'S REPORT: $70 million loss for the quarter ended Dec. 31.

NAME: Northwest Airlines Corp.

HEADQUARTERS: Eagan, Minn.

HUBS: Detroit, Minneapolis, Memphis, Tenn., Tokyo, Amsterdam.

CEO: Doug Steenland.

YEAR FOUNDED: 1926.

EMPLOYEES: 32,000, including 12,000 in Minnesota.

2007 REVENUE: $12.53 billion.

LAST QUARTER'S REPORT: $8 million loss for the quarter ended Dec. 31.