United Parcel Service (NYSE: UPS), the world's largest package delivery company, said quarterly profit jumped 44% and it expects record-high profits in 2011.

The economic bellwether's fourth-quarter operating profit rose to $1.81 billion, or $1.11 a share, from $1.26 billion, or 75 cents a share a year ago. Revenue rose to $13.42 billion from $12.38 billion.