TRAVELBehind the scenes at Delta Air LinesDelta Air Lines' first Airbus A321 narrow-body airplane rests outside a company hangar at Atlanta's airport on April 29, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYThe nose of a Delta Air Lines Airbus A330-300, seen at the airline's Atlanta hub on April 29, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYSeveral Delta Air Lines jets rest outside a hangar at the company's Atlanta hub on April 29, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYA Delta One first class seat, seen on April 29, 2016 at Atlanta Hartsfield-Jackson International Airport.Jeremy Dwyer-Lindgren, Special For USA TODAYDelta Air Lines jets at the company's Atlanta hub on April 29, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYWorkers at Delta Air Lines' TechOps facility change an engine out on an MD-88 jet on April 29, 2015, at Atlanta Hartsfield-Jackson International Airport.Jeremy Dwyer-Lindgren, Special For USA TODAYMembers of the media take photos of Delta Air Lines jets outside a hangar at its Atlanta hub on April 29, 2016, during the company's media day.Jeremy Dwyer-Lindgren, Special For USA TODAYDelta Air Lines' logo, seen inside an Airbus A330 long-haul jet, at Atlanta Hartsfield-Jackson International Airport on April 29, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYThe first class cabin, on board Delta Air Lines' new Airbus A321, is seen during the company's media day at Atlanta's airport on April 29, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYThe first class cabin, on board Delta Air Lines' new Airbus A321, is seen during the company's media day at Atlanta's airport on April 29, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYA member of the media checks out Delta Air Lines' new Airbus A321 aircraft during a tour at the airline's Atlanta hub on April 29, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYThe economy class cabin, on board Delta Air Lines' new Airbus A321, is seen during the company's media day at Atlanta's airport on April 29, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYThe first class cabin, on board Delta Air Lines' new Airbus A321, is seen during the company's media day at Atlanta's airport on April 29, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYA member of the media checks out Delta Air Lines' new Airbus A321 aircraft during a tour at the airlines' Atlanta hub on April 29, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYThe economy class cabin of Delta's new Airbus A321 is seen during the company's media day at Atlanta Hartsfield-Jackson International Airport on April 29, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYA Delta crew member serves lunch to members of the media during a tour of the carrier's new Airbus A321 aircraft on April 29, 2016 at Atlanta's airport.Jeremy Dwyer-Lindgren, Special For USA TODAYLunch is served to members of the media during a tour of its new Airbus A321 aircraft on April 29, 2016, at Atlanta Hartsfield-Jackson International Airport.Jeremy Dwyer-Lindgren, Special For USA TODAYFirst class seats, seen aboard a Delta Air Lines Boeing 737-900 during the company's annual media day at its Atlanta hub on April 29, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYFirst class seats are seen here on a Delta Boeing 737-900 during the company's media day at its Atlanta hub on April 29, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYCoach class seats are seen on a Delta Boeing 737-900 during the company's media day at its Atlanta hub on April 29, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYA Delta Air Lines Boeing 737-900, fresh from the factory in Seattle rests outside a hangar at the carrier's Atlanta hub on April 29, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYMembers of the media find refuge in the shade provided by a Delta Boeing 757-200 outside a hangar at the carrier's Atlanta hub on April 29, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYCoach class seats, seen aboard a Delta Air Lines Airbus A330 during the company's annual media day at its Atlanta hub on April 29, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYDelta Air Lines' first Airbus A321 narrow-body airplane rests outside a company hanagar at Atlanta Hartsfield-Jackson International Airport on April 29, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYThe unique LED nose gear landing lights on Delta Air Lines' first Airbus A321 jet is seen at Atlanta's airport on April 29, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYReporters and bloggers explore Delta's new Airbus A321 jet during a tour at Atlanta's airport on April 29, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYDelta's logo is seen on Bombardier's CSeries jet during a visit to Atlanta on April 29, 2016. The companies signed a deal for the jet earlier in the week.Jeremy Dwyer-Lindgren, Special For USA TODAYReporters and bloggers explore Bombardier's CSeries jet during Delta's media day in Atlanta on April 29, 2016. The jet was visiting the carrier's hub following an order for at least 75 of the jet earlier in the week.Jeremy Dwyer-Lindgren, Special For USA TODAYMembers of the media explore Bombardier's CSeries jet during Delta's media day in on April 29, 2016. The jet was visiting the carrier's hub following an order for the jet earlier in the week.Jeremy Dwyer-Lindgren, Special For USA TODAYMoodlighting bathes a Delta Air Lines Boeing 737-900 jet in Atlanta on April 29, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYLuggage bins hang down in Bombardier's CSeries jet during a tour in Atlanta on April 29, 2016. The jet was visiting the carrier's hub following an order for the jet earlier in the week.Jeremy Dwyer-Lindgren, Special For USA TODAYA reporter examines Bombardier's CSeries jet during Delta's media day in Atlanta on April 29, 2016. The jet was visiting the carrier's hub following an order the jet earlier in the week.Jeremy Dwyer-Lindgren, Special For USA TODAYMembers of the media explore Bombardier's CSeries jet during Delta's media day in Atlanta on April 29, 2016. The jet was visiting the carrier's hub following an order for the jet earlier in the week.Jeremy Dwyer-Lindgren, Special For USA TODAYBombardier's CSeries jet visits Atlanta Hartsfield-Jackson International Airport for media tours on April 29, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYBombardier's CSeries jet visits Atlanta's airport for media tours on April 29, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYBombardier pilots show Delta employees around the CSeries jet cockpit during a visit to Atlanta on April 29, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYBombardier's CSeries jet visits Atlanta for media tours on April 29, 2016 following an order from Delta earlier the same week.Jeremy Dwyer-Lindgren, Special For USA TODAYA polished, bare-metal Douglas DC-3 in Delta livery rests in the Delta Museum adjacent to the Atlanta airport on April 29, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYVintage flight attendant uniforms in a series of displays inside a converted Boeing 767-200 jet at the Delta Museum on April 29, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYTechnician James Dow works on a Pratt & Whitney 4000 engine at Delta's TechOps facility at its Atlanta hub on April 29, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYAn engine is readied for testing at Delta's TechOps facility at its Atlanta hub on April 29, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYEngines await testing in a cavernous facility at Delta's TechOps at its Atlanta hub on April 29, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYWheels destined for MD-90 jets rest on the floor of at Delta's TechOps facility at its Atlanta hub on April 29, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYA unique set of stairs offers access to the top of the giant GE-90 engine, one of the largest in the world, on a Delta Air Lines' Boeing 777-200LR at Delta's TechOps facility in Atlanta on April 29, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYA Delta Air Lines' Boeing 777-200LR at Delta's TechOps facility in Atlanta on April 29, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYLike rows of teeth, dozens of tiny fan blades cover the exposed inner core of an engine at Delta's TechOps facility in Atlanta on April 29, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYA Delta Air Lines Boeing 757-200 receives modifications at Delta's TechOps facility in Atlanta on April 29, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYStickers cover an employee tool box at Delta's TechOps facility in Atlanta on April 29, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYThe first Boeing 747-400 ever owned by Delta Air Lines is towed across a road to its new home at the Delta Museum adjacent to the Atlanta airport on April 30, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYThe first Boeing 747-400 ever owned by Delta Air Lines is towed across a road to its new home at the Delta Museum adjacent to the Atlanta airport on April 30, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYThe first Boeing 747-400 ever owned by Delta Air Lines is towed across a road to its new home at the Delta Museum adjacent to the Atlanta airport on April 30, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYThe first Boeing 747-400 ever owned by Delta Air Lines is towed across a road to its new home at the Delta Museum adjacent to the Atlanta airport on April 30, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAYThe first Boeing 747-400 ever owned by Delta Air Lines is towed across a road to its new home at the Delta Museum adjacent to the Atlanta airport on April 30, 2016.Jeremy Dwyer-Lindgren, Special For USA TODAY