The company's dire financial numbers are expected to be among the worst for the airline industry this week, as the biggest carriers report earnings.
Analysts said they expected most other carriers to report healthy earnings, as well.
The carrier also reported lower-than-expected earnings for the third quarter.
The major carriers reported that their January figures for paying passengers were on the rise.
This growth comes even as scheduled carriers have reported a 37 percent rise in passengers over the last decade.
This week, all the major carriers except Southwest Airlines reported deep losses.
The nation's two largest long-distance carriers yesterday reported higher third-quarter earnings and revenues.
All major carriers reported big jumps in the number of calls and bookings.
That was the first year regional carriers reported unified employee statistics.
The carrier reported strong increases in subscribers to its cellular services.