Use the table below to answer the question that follows.

airport

departure time

arrival time
wdi

7: 31 a. m.

10: 05 a. m.
dca

7: 15 a. m.

9: 43 a. m.
bwi

7: 23 a. m.

9: 53 a. m.

the table above shows the times for three flights leaving from three different airports in the washington, d. c., area and traveling to detroit. which airport has the shortest travel time to detroit?