OP QUESTION:
'"Did people really fly all the way on flights like this?"'"
This question indicates a degree of unfamiliarity with the development of air transport, and the air travel patterns of the early 20th Century,
ANSWER: Yes, ofcourse people traveled all the way. That is how the airline industry developed - step by step, en-route stop by en-route stop.
Explanation:
Let's take a look at the development of the world's oldest long-haul airline - KLM - and how its intercontinental routes developed.
- 1920''s: The early Long-Haul flights - included hotel stops for passengers and crew along the way.
Here is the world's longest fixed wing long-haul flight in the 1920's Amsterdam - Jakarta (then called Batavia).
Check how every route segment is listed in the box on the lower left.

- 1930's: KLM's first scheduled Transatlantic flight was to Latin America (Netherlands Caribbean), with 6 seater Fokker trimotor aircraft.

Read all about it here:
https://blog.klm.com/klms-first-transatlantic-flight/Or watch a You Tube film:
https://www.youtube.com/watch?time_cont ... e=emb_logo- 1950's The Douglas DC4 network:
Read the history of this operation in KLM.
https://blog.klm.com/the-mighty-douglas-dc-4-skymaster/
- 1960's Douglas DC8 network:

- 1970's Route examples KLM DC8-63:
- Amsterdam – Frankfurt – Zurich – Lisbon – Port of Spain – Caracas – Curacao – Panama City – Quito – Lima = 1x weekly
- Amsterdam – Zurich – Lisbon – Rio de Janeiro – Montevideo – Buenos Aires – Santiago de Chile = 1x weekly
- Amsterdam – Cairo – Bahrain – Karachi – Colombo – Kuala Lumpur – Jakarta = 1x weekly
- Amsterdam – Frankfurt – Athens – Karachi – Bangkok – Singapore – Jakarta = 1x weekly
- Amsterdam – Vienna – Bahrain – Karachi – Bangkok – Kuala Lumpur – Jakarta = 1x weekly
Conclusion:
By the time the B747 arrived in the 1970's, passengers knew no better then that en-route stops were part of the global travel experience.
And they did travel all the way...........