UA63 GRU-IAH 789 cancelled due to maintenance. Flight will continue to IAH as UA3015 departing on 1/22.
UA133 Island Hopper 738 returned to GUM after 50 minutes in the air. Flight continued with a different aircraft but was cancelled due to an unexpected operational issue on the PNI-MAJ leg. Flight will continue to HNL as UA3045 doing PNI-MAJ-HNL.
UA197 NRT-GUM 738 cancelled due to maintenance after a 4 hr 46 min delay. Flight will continue to GUM as UA3012 departing on 1/22.