Lyft gained market share in the third quarter as
Uber saw its first recorded share decline, according to Certify. While Uber
still dominated ground transportation, accounting for 54 percent of the ground
transportation expenses Certify processed during the third quarter, Uber's share
was a percentage point lower than the previous quarter, the first time it has
declined since Certify began measuring the ride-hailing industry. Lyft,
meanwhile, grew its share 3 percentage points quarter over quarter to 11
percent, its highest gain in Certify's data history. Its biggest gain was in
San Francisco, where it increased its share by 9 percentage points as Uber
declined 8 percentage points. Car rental companies and taxis each also lost 1
percentage point of share quarter over quarter, accounting for 28 percent and 7
percent, respectively, of ground transportation expenses processed in the third
quarter.