For Domestic flights, you should be at the airport a minimum of 1 hour before departure.
For international flights you should be at the airport a minimum of 2 hours before departure.
It’s best to use google maps to get a real-time estimate from your pick up location to your destination as it changes every hour. Google maps allow you to request time estimates seven days into the future, at any time of departure throughout those days.
Time recommendations into the future do not allow for unforeseen last-minute delays like traffic accidents en-route.
You should add additional safety minutes to your transfer pickup times relative to your personal propensity for risk. We always recommend playing it safe, rather than being sorry.