WestJet 1Q earnings rise for 10.3% operating margin, beats US LCCs but not Alaska

Following its US low-cost carrier counterparts, WestJet posted rising first quarter net income of CAD48.2 million, a CAD46 million jump from the CAD2.4 million posted in the first 2010 quarter and a 6.4-point jump in operating margin to 10.3%.