United Airlines announced it delivered the best summer on-time service in company history this year. The record-breaking achievement includes all travel June 1–Aug. 31. More than 76 percent of mainline and regional flights arrived on time, a 5 percent increase over the summer prior and a 10 percent increase over summer 2014. “Our focus on delivering reliable, on-time service to our customers continues to result in record-breaking operational performance across our system. Thanks to the hard work of our entire team, we flew more customers to their destinations on time this summer, despite encountering more days of challenging weather than in the previous years,” said Greg Hart, COO and executive vice president, United Airlines. The company also celebrated a best-ever performance during the July 4 holiday travel period. The improvements are largely due to key improvements in scheduling and employee operations. The airline is additionally using new technology to better predict and react to weather challenges.