Frontier Airlines flight attendants voted overwhelmingly to authorize union leaders to call for a strike. Here's what travelers need to know.

The strike authorization is a move intended to put pressure on the carrier, as the union claims Frontier is refusing to negotiate over the impact of a business model change on flight attendants.

Meanwhile, Frontier isn’t addressing those claims. In a statement sent to FOX31, Frontier Airlines said the strike authorization is not legal, saying negotiations have not reached that point.

Frontier Airlines pilots — photographed on April 9, 2017 while picketing their corporate headquaters — now have voted to strike if necessary as they demand a better contract in negotiatoins ...

Frontier Airlines pilots demonstrate after voting to authorize a strike 02:29. For more than 500 days, Frontier Airlines pilots have been in negotiations with the Denver-based airline over a new ...

Frontier Airlines flight attendants voted overwhelmingly to authorize union leaders to call for a strike. Here's what travelers need to know.

Frontier Airlines flight attendants voted to authorize a strike over a business model change they say has resulted in pay cuts, the Association of Flight Attendants announced Wednesday.