Washington / Bloomberg Frustrated travellers are turning to the complaint box in growing numbers as long lines and delays getting through airport security result in missed flights. Complaints filed on such topics as courtesy and processing time surged in March to the highest levels in the past year, according to the Department of Transportation’s monthly Air Travel Consumer Report …

  London / AFP British telecoms giant Vodafone on Tuesday posted its first annual rise in operating profits in eight years, boosted by growth in Europe and emerging markets. Earnings before interest, tax, depreciation and amortisation (EBITDA) grew 2.7 percent to £11.6 billion ($16.7 billion, 14.7 billion euros) in the year to March, Vodafone said in a results statement. That was …

Ottawa / Bloomberg Bombardier Inc. has turned a corner and its deal with Delta Air Lines Inc. makes federal aid for the Canadian plane maker less urgent, Quebec’s finance minister said. Delta’s $5.6 billion agreement to purchase at least 75 C Series jets will help Montreal-based Bombardier promote the plane and win more orders, Carlos Leitao said in an interview …