By the way why are you driving to Chicago instead of taking the Lake Shore limited from Buffalo (depew) Also Maple leaf to DEPEW but it is a lonnnnng layover in a hole in the wall station
Seems car rental cheaper and you can drive right up to the station(practically) then drop off car at Buffalo airport and take cab back to station lass than 3 miles At $ 2.30 for first 1/6 mile or any part there off. $ 0.50 for each additional 1/6 mile or any part there off. US $ 30.00 for per hour waiting.
So + - $15.00
Seems cheaper to me and no driving plus coach fare is fairly cheap about $54.00 right now