Delta Air Lines leads US carriers in on-time performance for sixth consecutive month

In terms of total flights in June, Delta managed 148,781 flights with an OTP of 80.05%, while Alaska Airlines had 38,364 flights at a 77.79% OTP, and United Airlines conducted 136,737 flights with a 77.44% OTP.

The collective on-time arrival rate for these ten airlines reached 73.15% over a total of 762,572 flights in June.

Regarding airport performance, four U.S. airports ranked among the world's top twenty most punctual: Washington Dulles International (IAD), Hartsfield-Jackson Atlanta International (ATL), Detroit Metropolitan Wayne County (DTW), and Los Angeles International (LAX). Notably, Minneapolis-St. Paul International Airport saw a significant drop in its on-time performance from May's 82.56% to June's 70.60%.

Globally, Saudia emerged as the most punctual airline with an OTP of 88.22%, followed by Aeromexico at 86.18%, LATAM Airlines at 85.83%, Japan Airlines at 85.10%, and Azul at 84.83%. Delta was the only U.S.-based airline to make it into the global top ten.

In terms of airports worldwide, Saudi Arabia's King Khalid International Airport held the top spot with an OTP of 85.60%. São Paulo-Guarulhos International Airport came second with an OTP of 85.13%, followed by Jorge Chavez International Airport at third place with an OTP of 83.95%.

Washington Dulles led among U.S airports globally ranked eighth overall for its punctuality with an OTP rate of over eighty percent.