The consolidated dollar volume of airline tickets sold by U.S.-based travel agencies from January through July declined 1 percent year over year to $55.4 billion,

Airlines Reporting Corp. reported Wednesday. Ticket transactions increased 5 percent year over year, and passenger segments increased 1.7 percent. Sales via electronic miscellaneous documents, a mechanism for selling such ancillary fees as checked baggage and upgrades, totaled $8.4 million during the period, compared with $957,000 during the first seven months of 2014.