Once there were regularly scheduled airlines, it became impractical to make a business trip by ocean liner.

一旦有了定期的飞机航班，乘坐远洋客轮出差就变得不切实际了。

《柯林斯英汉双解大词典》

Nearly a half (45%) of passengers rate the cost of budget airline tickets as being “very good” compared with just 17% of those using scheduled airlines.

近半数（45%）的乘客认为廉航机票的价格“非常优惠”，而认为定期航空票价合适的乘客比例仅为17%。

youdao

By contrast, scheduled airlines fare much better - 11% of travellers are deterred from scheduled airlines by bad mannered passengers and 15% by noisy children.

相反，定期航空公司的表现要好些——因为乘客没有礼貌而不乘坐定期航空的旅客比例为11%，因为孩子吵闹而不乘坐定期航空的旅客比例为15%。

youdao

The company, very small at the time, used scheduled airlines to fly a few packages each day.

ECONOMIST: Pakistan's problems

The net result is that scheduled airlines do not provide service to locations where enplanements are likely to be low.

FORBES: Why Business Aviation?

About 700 African entrepreneurs and companies (not including the scheduled airlines) currently own or lease nearly 1, 200 jet and turboprop aircraft for business purposes.

FORBES: African Business Takes to the Skies