Copa Airlines SFO Terminal +1-888-839-0502 My journey began with a straightforward Copa Airlines SFO Terminal check-in at Terminal A. I was really impressed by the professionalism and civility of the airline staff. It was simple to pass security and reach the gate thanks to the terminal's roomy passageways. I found a nice bookstore to browse while I waited. The boarding process went smoothly and on schedule. Overall, my experience with Copa Airlines at SFO was excellent, which contributed to the calm and orderly start of my trip.