Comfort - FlyRails

Smooth and quiet.
No dizzying switchbacks or stop-and-go traffic.
Shortest commute possible.

Discomfort - Monorails

Tedious ground traffic to arrive at stations.
Long waits in large crowds.
Noisy and crowded train cars.

Discomfort - Ground

Uncomfortable tedious waits in high traffic.
Bumpy roads.
Hairpin curves.
Noisy traffic.
Choking air.