Starting April 20, Qantas will begin flying between Chicago and Brisbane, Australia’s third-largest city, four times per week. The Australia-bound flights will last 17 hours and 20 minutes, departing Chicago at 9:50 p.m. and arriving in Brisbane at 6:10 a.m., two days later. Chicago-bound flights, running 16 hours and 10 minutes, will take off at 3:30 p.m. and land at 4:40 p.m. Chicago time.