UA63 GRU-IAH 789 cancelled due to maintenance after a 3 hr 15 min delay.
UA187 JNB-EWR 789 diverted to BOS due to "flight preparation". Flight arrived at EWR 11 hrs 21 mins late.
UA192 MNL-ROR-GUM 738 cancelled on ROR-GUM leg due to Tropical Storm Man-yi.
UA869 SFO-HKG 77W diverted to HND. Flight landed at HKG 3 hrs 49 mins late.