A Delta Air Lines flight from Manchester, N.H., was safely diverted to Logan International Airport Friday morning, officials said. Flight 1941 departed the airport at 7:15 a.m. and was scheduled to fly to Atlanta. Shortly after the plane took off, “fumes were observed in the aircraft,’’ Delta spokesman Morgan Durrant said in an statement e-mailed to the Globe. The MD-88, with a crew of five and 144 passengers on board, was diverted and landed safely at Logan. Passengers were safely deplaned, said Matthew Brelis, Massport spokesman.John R. Ellement can be reached at firstname.lastname@example.org. Follow him on Twitter @JREbosglobe.