Premise: I'm a personal and business IT consultant, charge between 70 and 150 an hour depending on the client/situation. I work a pretty busy week on the most part and have some pretty wild clients all over Los Angeles. Been an average week until now. Situation: Thursday afternoon, 1 PM, good client calls me and needs me to fly LAX to LHR (London) ASAP to help a problem at their London residence. So, I'm on a plane to LHR at 5PM, land in London at 10:30AM local time. Issue gets resolved and am back on a plane to LAX at 2:30 PM local time and arrive back at LAX at 7:15 PM local time Friday. Problem: What do I charge for this extravaganza? I missed a total of about 6 (thurs)+9 (friday) hours of labor. Do I just charge for those 15 hours? Do I charge an additional fee? As of now I have the bill set to 15 hours, but I bill monthly so I have until Mar 31 to decide....any suggestions from someone who has been in the same situation?