The cancellation rate in May for U.S. carriers was 1.1 percent, down from 1.4 percent in May 2024, but up from 0.8 percent reported for April 2025, according to the latest U.S. Department of Transportation Air Travel Consumer Report.
The number of flights operated by U.S. carriers in May increased about 3.1 percent year over year to more than 660,000, also higher than the nearly 638,800 flights reported in April.
U.S. carriers with the lowest May cancellation rates included Allegiant Air (0.2 percent), Hawaiian Airlines (0.3 percent) and JetBlue Airways (0.5 percent). Airlines with the highest cancellation rates included American Airlines network (2.1 percent), United Airlines network (1.4 percent) and Spirit Airlines (1.2 percent). Networks include branded codeshare partners.
U.S. airlines in May handled nearly 42.1 million bags, down from the 43.4 million handled a year prior but up from the 38.8 million handled in April. The May mishandled baggage rate was 0.49 percent, down from the 0.58 percent reported in May 2024, but higher than the 0.43 percent reported in April 2025.
DOT in May received more than 6,550 submissions—complaints, inquiries and opinions—down from the nearly 7,750 reported a year prior, but up from the more than 5,500 reported in April.
U.S. airlines accounted for nearly 76 percent of the submissions, with foreign carriers at 21 percent and travel agencies at 2.5 percent. Submissions regarding the 10 largest reporting U.S. carriers and their branded networks decreased about 1.5 percent year over year to 4,800.
RELATED: DOT: April U.S. Flights Up, Cancellations Down