United Airlines said robust demand will fuel greater than expected first-quarter profits as the carrier continues to benefit from appetite for premium and international travel. United said it expects adjusted first-quarter profits between 75 cents and $1.

United Airlines offered an upbeat outlook on the state of travel demand Tuesday after reporting higher profits on solidly increased revenues.

Shares of United Airlines rallied in after-hours trading Tuesday, as a record number of travelers lifted fourth-quarter results and the company offered an upbeat forecast for the first quarter.

United Airlines Holdings, Inc. (UAL) reported earnings for its fourth quarter that increased from the same period last year and beat

United Airlines said profit and revenue grew in the fourth quarter boosted by strong demand for all its products, as well as an influx of passengers and flights. The airline on Tuesday reported net income of $985 million,