Lufthansa in Summer 2015 season is reducing First Class operations on Frankfurt – Boston route. From 21JUN15, Summer seasonal LH420/421 service is operated by 3-class Boeing 747-400 aircraft, without First Class service.
LH422 FRA1240 – 1435BOS 74H D
LH420 FRA1755 – 1950BOS 744 D
LH423 BOS1640 – 0540+1FRA 74H D
LH421 BOS2210 – 1110+1FRA 744 D
First Class service will be offered on year-round basis on LH422/423, with Boeing 747-8I (747-400 from 29MAR15 to 06MAY15)