When Lithuanian Airlines (now defunct) were transitioning from Tu 134 to Boeing 737, they said the Russian airliners are very reliable but not economical. This coincides with other answers. Looks like fuel economy is a difficult thing to achieve.

This is a technical reason. I do not think it has anything to do with politics.

When Lithuanian Airlines (now defunct) were transitioning from Tu 134 to Boeing 737 in 1998, they said the Russian airliners are very reliable but not economical. This coincides with other answers. Looks like fuel economy is a difficult thing to achieve.

This is a technical reason. I do not think it has anything to do with politics.

When Lithuanian Airlines (now defunct) were transitioning from Tu 134 to Boeing 737, they said the Russian airliners are very reliable but not economical. This coincides with other answers. Looks like fuel economy is a difficult thing to achieve.

When Lithuanian Airlines (now defunct) were transitioning from Tu 134 to Boeing 737, they said the Russian airliners are very reliable but not economical. This coincides with other answers. Looks like fuel economy is a difficult thing to achieve.

This is a technical reason. I do not think it has anything to do with politics.