The A321LR takes off on its maiden flight from Hamburg Jan. 31, 2018. LimelightPlayerUtil.embed({"mediaId":"eb2b6903e29249baa9bb3e7f2350ce9c","playerId":"limelight_player_834811","width":480,"height":321,"playerForm":"Player"});

Airbus has confirmed it is looking at a further stretch of the A320neo family, but is unlikely to make a fast decision.

Airbus, which flew the A321LR for the first time Jan. 31, is studying a further raise in passenger capacity for its largest single-aisle model, executives said in Hamburg.

TUI Group plans to take delivery of four more Boeing 737 MAX 8s this year as it begins a major fleet renewal initiative.

United Airlines, broadening its used-aircraft acquisition strategy to widebodies, will add three Boeing 767-300ERs to its fleet in 2018, continuing a trend that has seen it tap the second-hand market to boost its fleet significantly in the past two years.