The Lockheed Constellation was used by dozens of airlines and militaries around the world. In military service, the Navy/Air Force EC-121 Warning Star variant remained operational until 1978, nearly 40 years after work on the L-049 began.
♠ Original operators
Lockheed built 856 planes. Civilian airlines that operated the Constellation included:

Venezuela
Lockheed Constellation family | |
|---|---|
| Constellation | |
| Super Constellation | |
| Starliner | |
| |