puddle-jumper

or pud·dle·jump·er

[ puhd-l-juhm-per ]
/ ˈpʌd lˌdʒʌm pər /

noun Slang.

a light plane, especially one traveling only short distances or making many stops.
an old, rickety automobile; flivver.

Origin of puddle-jumper

First recorded in 1930–35; humorously so called because it is used on routes that include stopovers in small, insignificant places