American Airlines made $111 million last year, while rivals Delta Air Lines and United Airlines, brought in $5 billion and $3.3 billion, respectively.

What travelers should know about flight cancelations as American Airlines works to resume operations slowed by difficult winter storm conditions.

American Airlines has been forced to cancel an estimated 9,000 flights, making it the largest weather disruption in the company's history. It's estimated to lose $150-200 million in revenue due to the cancelations.

American would be the first U.S. carrier to restart service to Venezuela, which had become isolated after airlines cut service to the country in recent years.