July 31 (Reuters) - Norwegian Cruise Line Holdings ( NCLH )

on Thursday missed estimates for second-quarter revenue

as cruise demand and on-board spending weakened in the face of

rising economic uncertainty.

The company reported second-quarter total revenue of $2.52

billion, compared with analysts' average estimate of $2.56

billion, according to data compiled by LSEG.

(Reporting by Juveria Tabassum in Bengaluru; Editing by Devika

Syamnath)