 The standout for complaints was Frontier, with a complaint ratio more than double the airline with the next highest. Spirit Airlines and JetBlue came in second and third. Alaska Airlines logged the lowest number of complaints. It's about eight minutes in front of the hour now. Here's Nicole Murray. And now, the three big things you need to know. Number one. NATO members have pledged their support for Ukraine to join the alliance, as well as receive more aid. NATO Security General Jens Stoltenberg.