12.34pm GMT The route (which avoids major landmarks) is causing problems, Rebecca Ratcliffe reports.
The route, which incorporated several rail lines, was overcrowded, with neglected stations and rickety trains.
I joined her to recce the route, which starts with a pulse-raising 193 steps up from the tube station.
American will stop flying the route, which it has been flying daily since May 1999, on Nov. 1.
They hovered around the subway map, amazed by the route, which cuts, ferrylike, across the shallow waters of Jamaica Bay.
Fares on the route, which will use the 787 Dreamliner aircraft, will start from £179 one-way.
On Monday, ridership along the route, which runs between Queens College and Union Turnpike in Kew Gardens, was sparse.
A few days later, she made headlines as the first person to finish the route, which entitled her to name it.
Citymapper says it selected the route, which is has dubbed Night Rider, by analysing trips recorded from its own transport app.
Others, however, had been continuing to use the route, which is one of the "aerial motorways" between northern Europe and south Asia.
Only after the fact did I find a detailed map of the route, which looked like a seismograph readout after a substantial earthquake.
