The Interstate Run to O'Hare: What to Share When You Book

https://milwaukeeflylimotravel.alderbrief.com/posts/reading-a-milwaukee-travel-day-backward-to-find-missing-rides-when-one-person-holds-the-calendar

Heading south on the interstate toward O'Hare looks simple on a map, but timing it around the airline schedule takes some care. If the traveler is meeting others at the airport, note who is riding along and who is arriving separately