Business: SEA-DEN for business meeting that got cancelled while in flight, returned on next available DEN-SEA 1 hour later
Business: CDG-SEA for 2.5 days, then back SEA-CDG
Personal: SEA-NRT-SIN for 3 days then return SIN-NRT-SEA
Personal: NRT-JFK-LHR-FRA-FCO for 7 days in Italy then return FCO-FRA-ORD-NRT