Hundreds of uniformed Southwest Airlines pilots picketed at Dallas Love Field Airport in Texas on Tuesday.
They held signs blaming the company for delays and cancellations that have upset passengers.
Union officials said the protest – a demand, in part, for higher pay – drew up to 1,300 pilots.
Read more from The Associated Press.
The Bureau of Labor Statistics reported in May the all-items inflation index surged 8.6% over the past year, the highest increase since 1981.