1/10 UA 871 SFO-TPE (N118UA) cancelled due to aircraft maintenance.
They sent an extra sector out on 1/11.
1/11 UA 2105 SFO-TPE (N120UA) departed at 836 and estimated to arrive at 1339.
1/12 UA 872 TPE-SFO (N120UA) estimated to depart at 1530, 3 hours 55 minutes late and estimated to arrive at 0950, 3 hours 30 minutes late due to late inbound.