What changes the Chicago quote
The largest Chicago quote variables are route, expressway exposure, airport terminal, vehicle class, passenger count, luggage count, included wait, parking, tolls, event date, winter weather, and whether the itinerary is a transfer or hourly hold.
Why airport pricing is different
O'Hare and Midway add flight tracking, terminal pickup workflow, domestic or international wait, luggage timing, parking or staging exposure, and airport-specific pickup rules. A useful quote states terminal, pickup point, wait policy, and vehicle class.
Hourly versus point-to-point
Point-to-point is usually cleaner for one confirmed pickup and one confirmed drop. Hourly is cleaner when the passenger has meetings, dinners, shopping, campus visits, medical appointments, or an event return with uncertain release time.
When Sprinter cost makes sense
A Sprinter can cost more than one SUV, but it may beat the combined cost and coordination burden of two or three vehicles. It is strongest when a group needs to ride together with luggage, event materials, wedding attire, or convention cases.
Event costs are not just mileage
United Center, Wrigley Field, Soldier Field, McCormick Place, Lollapalooza, marathon weekend, and RSNA can change staging, parking, curb access, wait time, and return timing. A serious event quote should define the vehicle's hold, release, or passenger-ready trigger.