TRAVELAviation pics: Iron Maiden's Boeing 747, vintage 727s, Emirates suitesWith its distintive paint scheme, Iron Maiden's Boeing 747-400 rests at Seattle-Tacoma International Airport on April 11, 2016. Piloted by front man Bruce Dickenson, the band made a tour stop at nearby Tacoma.Jeremy Dwyer-Lindgren, Special For USA TODAYFramed with the blooming flowers of spring, a United Express Embraer jet departs from Chicago's O'Hare International Airport on April 23, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYAn AeroLogic Boeing 777 freighter preps to land at Chicago's O'Hare International Airport as a freight train passes by on April 23, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYThe shadow of an Emirates airline Boeing 777 points casts a shadow over a resort island in the Maldives as it readies for landing at Male's Ibrahim Nasir International Airport on April 19, 2016.Ben Mutzabaugh, USA TODAYANA's Star Wars-branded Boeing 777 arrives at Chicago's O'Hare International Airport on April 24, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYBranding for Emirates airline is seen at the Dubai International Airport in the United Arab Emirates on April 19, 2016.Ben Mutzabaugh, USA TODAYWith its very distinctive paint scheme, Iron Maiden's Boeing 747-400 lands at Seattle-Tacoma International Airport on April 11, 2016. Piloted by front man Bruce Dickinson, the band made a tour stop at nearby Tacoma.Jeremy Dwyer-Lindgren, Special For USA TODAYA vintage Boeing 727, destined for the Airline History Museum in Kansas City, Mo., is restored to flying condition in Seattle on April 6, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYA headset rests on the table of a former American Airlines Boeing 727 jetliner under restoration in Seattle on April 6, 2016. The airplane will eventually fly to its new home at the Airline History Museum in Kansas City, Mo.Jeremy Dwyer-Lindgren, Special For USA TODAYA vintage Boeing 727, destined for the Airline History Museum in Kansas City, Mo, is restored to flying condition in Seattle in this photo from April 6, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYA vintage Boeing 727, destined for the Airline History Museum in Kansas City, Mo., is restored to flying condition in Seattle in this April 6, 2016, photo.Jeremy Dwyer-Lindgren, Special For USA TODAYA Turkish Airlines Boeing 777 lands at Chicago's O'Hare International Airport on April 23, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYConnections for boats and ferries is among the more unusual features at the Ibrahim Nasir International Airport , which serves the capital of Male in the island nation of the Maldives. (,April 19, 2016)Ben Mutzabaugh, USA TODAYAn American Airlines Airbus A321 takes off from Seattle-Tacoma International Airport on April 11, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYThis photo from April 19, 2016, shows the first-class "suites" on an Emirates airline Flight from Dubai to Male in the Maldives.Ben Mutzabaugh, USA TODAYBombardier Dash-8 turboprops make up a large percentage of the fleet of Maldivian, the national carrier of the Maldives. Here, a Dash-8-200 is seen at the Kooddoo Airport on April 19, 2016.Ben Mutzabaugh, USA TODAYDelta Air Lines jets land at Atlanta-Hartsfield Jackson International Airport on April 30, 2016, during a heavy thunderstorm.Jeremy Dwyer-Lindgren, Special For USA TODAYLocals snap photos as Delta Air Lines moves its first-ever Boeing 747-400, now retired, to its new home at the company's museum in Atlanta on April 30, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYBearing the airline's new logo and paint scheme, an Alaska Airlines Boeing 737 taxies for departure in Seattle on April of 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYThe sun rises over the San Francisco Bay on April 23, 2016. The photo is from a United Airlines flight on approach to San Francisco International.Jeremy Dwyer-Lindgren, Special For USA TODAYA United Airlines Boeing 777 taxies out for departure on an early morning at San Francisco International Airport on April 23, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYPassengers walk through Chicago O'Hare International Airport on April 23, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYA SriLankan Airlines Airbus A330 taxis at the Ibrahim Nasir International Airport in Male, Maldives, on April 19, 2016.Ben Mutzabaugh, USA TODAYA United Express Bombardier CRJ waits for a gate to open at Chicago's O'Hare International Airport on April 24, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYTravelers traverse Chicago O'Hare's unique rainbow light tunnel that connects Terminals B and C in this photo from April 24, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYA journalist takes in the economy passenger experience aboard Delta Air Lines' new Airbus A321 jet during a media day at the company's Atlanta hub on April 29, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYA Delta Air Lines Boeing 757-200 taxies to the gate after arriving at Atlanta-Hartsfield Jackson International Airport on April 30, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYUnder the supervision of a flight instructor, a student guides an Robinson R22 helicopter to a landing at Boeing Field in Seattle on April 6, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYDelta Air Lines jets on the move at Atlanta-Hartsfield Jackson International Airport on April 30, 2016, amid a heavy thunderstorm.Jeremy Dwyer-Lindgren, Special For USA TODAYDelta Air Lines jets on the move at Atlanta-Hartsfield Jackson International Airport on April 30, 2016, during a heavy thunderstorm.Jeremy Dwyer-Lindgren, Special For USA TODAYThe nose gear wheels on a Delta Air Lines Boeing 717-200 kick up standing water on a taxiway at Atlanta-Hartsfield Jackson International Airport on April 30, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAY