A lesson in flying: Just because you booked a ticket for a 15-hour flight direct from Newark to Mumbai doesn’t mean you shouldn’t expect to find yourself wandering the streets of London for a day only part-way there, sleep-deprived and delirious.

A lesson in flying: Just because you booked a ticket for a 15-hour flight direct from Newark to Mumbai doesn’t mean you shouldn’t expect to find yourself wandering the streets of London for a day only part-way there, sleep-deprived and delirious.