Originally Posted by
AJNEDC
No we are not. There is a nuanced difference. If the aircraft flying from HND to Tokyo returns to HND then the part I have bolded would actually occur as that aircraft would be on the ground from 9AM to 1AM the next day. They are not going to leave two aircraft parked at ORD for 16 - 20 hours.
Yes, which means one airplane does a quick turn, while the other stays in Chicago for ~9 hours. Same as you're saying.