JetBlue Airways Corporation (JBLU) has provided updated guidance for the second quarter of 2024.JBLU now anticipates its second-quarter revenues to decline between 6.5% and 9.5% year over year, which marks an improvement from the previous guidance of a 6.5% to 10.5% decline.Capacity or Available Seat Miles (ASMs) is now anticipated to decline in the 2-4% range. This marks an improvement over the prior forecast to decline in the 2-5% band.Further, the company has lowered its CASM, excluding fuel and special ...