Family travel: How to handle jet lag for you and the kidsThere’s no magic formula to erase jet lag, but there are things you can do to ease your family members into a new time zone.Scott L. Hall, USA TODAYAirlines keep expanding their route networks and building out their schedules as the pandemic recovery continues.In the last week, United Airlines and its partner Air Canada, Frontier Airlines and Avelo Airlines all announced new routes.For travelers, new flights can often mean good deals, and with airlines reporting record profits recently on the backs of high airfares, it’s smart to jump on offers when they’re available.United and Air Canada announced more service between their home countries, while Frontier added a new route to the Caribbean and Avelo said it will soon begin its first flights to Texas.Here’s what you need to know and where you may be able to go.Tell us your story: Mobility device lost or damaged by an airline? USA TODAY wants to hear about it.United Airlines and Air Canada trans-border flightsUnited Airlines and Air Canada are in a joint business agreement with each other as well as partners through the Star Alliance. The airlines announced that by this summer they will have more than 260 combined trans-border flights.Air Canada will begin Monday, Wednesday, Thursday, Friday and Sunday service between Washington-Dulles and Vancouver on June 1, while United will start daily flights between Washington-Dulles and Calgary on June 2.Between the two airlines, hourly air shuttle-style service will become available this summer on the Chicago-Toronto, Newark-Toronto and San Francisco-Vancouver routes.Flying with kids: United Airlines will let families sit together more easily with new booking policyThe airlines are also bolstering their schedules in the West, upping service between Vancouver and various cities in the U.S., as well as adding additional service on Calgary routes to Chicago and Houston, and between Edmonton and Denver.United and Air Canada have not publicized special fares to accompany the schedule expansion.Frontier expands in the CaribbeanFrontier Airlines began the first nonstop flights between Denver and Montego Bay, Jamaica, on Friday. According to the airline, the service will operate three times weekly, and one-way fares are available for as little as $179, so long as you purchase by Tuesday and plan to travel between March 13 and May 23. Keep in mind: Frontier’s airfares typically do not include checked or overhead luggage or the ability to select a seat, though those can all be secured for an additional fee. Family travel: Airlines update, highlight their seating policies amid White House push”As Denver’s hometown airline, we are proud to be celebrating a milestone as the only airline to connect the Mile High City with nonstop service to Jamaica,” Daniel Shurz, senior vice president of commercial at Frontier Airlines said in a statement. “Stunning Jamaican beaches are easier to reach than ever before with our new exclusive nonstop service to the island.”  AveloLow-cost airline Avelo announced four new routes this week, two from the West Coast and two from the East.Out of Burbank, California, the airline will begin flying to Colorado Springs on May 3 and Brownsville-South Padre Island, Texas, on May 17.The Colorado Springs flights will be available on Tuesdays, Thursdays and Sundays with introductory one-way fares as low as $49 while the Brownsville flights will run on Wednesdays and Saturdays with introductory one-way fares as low as $89.Travel tip: More airline passengers are getting bumped. Know your rights if it happens to you.From Orlando, Avelo will also begin serving Brownsville twice weekly on May 17 and add twice weekly service to Charlottesville, Virginia, beginning May 3.These flights have one-way fares for as little as $69 and $49, respectively. “The addition of these three new destinations and four new exclusive nonstop routes exemplifies our commitment to bringing affordable, convenient and reliable air service to unserved and underserved communities across the country,” Avelo CEO Andrew Levy said in a statement. “We are confident the low fares and smooth travel experience we are introducing to these three new communities will inspire their residents to travel even more.Zach Wichter is a travel reporter based in New York. You can reach him at