The fastest lap of Bottas is 1 minute 34.874 seconds.
The second result was shown by his teammate Lewis Hamilton (+0.045) from the UK.
Red Bull driver Max Verstappen (+0.932) from the Netherlands is third.
Russian Nikita Mazepin (+7.365) from the American Haas team finished 20th.
He flew off the track on one of the laps.
His partner in the stable is German Mick Schumacher - 19th (+3,992).
The US Grand Prix is held in Austin.
Earlier Mazepin spoke about the problems with obtaining a visa before the US Grand Prix.