Aliane created a table showing the flight information for four cities.

departing from arriving at flight time
city a city b 4.2 hours
city a city c 3.9 hours
city b city a 5.1 hours
city b city d 9.5 hours
city c city b 1.7 hours
city c city d 2.2 hours
city d city a 10.5 hours
city d city b 8.6 hours

which matrix correctly represents aliane’s flight information?