While Uber's share of ground transportation business travel
expenses rose from 52 percent in 2016 to 56 percent in 2017, Lyft's grew at a
faster pace, tripling from 4 percent to 12 percent. That's based on business
travel expenses submitted through Certify. With that change, Lyft alone
overtook taxis, which declined from 11 percent to 7 percent. Car rental fell from
33 percent in 2016 to 25 percent.
Within just the on-demand ride-hailing market, Lyft has clawed
14 percentage points from Uber's share of business travel expenses over the
past two years; Lyft's share rose from 4 percent in 2015 to 18 percent in 2017,
while Uber declined from 96 percent to 82 percent.