This was a crappy flight.
Passengers aboard an Air India flight to Delhi endured a 10-hour trip to nowhere when their plane was forced to circle back to Chicago because most of the toilets became clogged and inoperable.
Air India Flight 126 was making its way over Greenland on March 5 when 8 out of its 12 toilets broke down passenders flushed bags and rags down the lavatories, the airline told The Post.
The extended pee-pee dance began nearly five hours into the 14…