1. Frequent Flier Programs
2. A range of fares to suit your budget; Economy, Business, First.
3. Cheaper overall fares.
4. Bigger planes so more seats available per flight.
5. More airline options; eg; SQ, QF, MH, TG, CX, BA, VS
6. Better schedules; afternoon or late evening international departures.
7. Inflight Entertainment.
8. Some airlines now have lie flat beds.
9. Newer planes have smoother ride; can fly at higher altitude.
10. More quieter engines, less noise.
11. Safer, less crashes.
12. Better food, you aren't like to get sick from it and its designed with air travel in mind.
13. Faster planes, Not by much but still faster. 777 faster than a 767.
14. No smoking.
15. More comfortable seats; excludes Ryanair.
16. Better baggage handling, your luggage rarely gets lost;
17. Easier to book; don't require a visit to the travel agent.
18. More knowledge of flight times;
19. More options to travel in only 1 connection;
20. More direct flights. only one stop over to make it to Europe.
21. Quicker check in; now with machines.
22. Ticketless travel; Most flight bookings don't require a paper ticket. Not MH.
23. Airbridges, don't have to walk out in the sun, rain, to board some stairs.
24. Proper airconditioned airports.
25. Newer smaller RJs to connect unconnectable city pairs with smaller faster planes.
26. Frequent flier perferences recorded, I don't need to ask what seat I want during check machine has already given me the best seat possible. Forward Aisle.
27. Overhead locker bins, Roomier and actually properly locked.
28. Better radar and detection of windshear and turbulence.
29. Better security.
30. Study of each airline crash in detail to find out what went wrong; so it doesn't happen again.
31. Airlines more connected; more city pairs available on just one ticket.
32. More options which you can see from internet so you are not being restricted by what the travel agent is trying to sell you based on the bigger commission.
33. Widebody planes so more chance to get up and walk to stretch your legs.
34. Extra safety with requirement of seat belt to be on when seated.
35 Maybe the alcohol choices are better; Not sure.
36. less travel restrictions; now fewer destinations where a visa is required.
37. Jets and not propellers so you don't feel the vibration
38. Common Euro currency.
39. Better information through travel books.
40. Flyertalk. so we can share all the good points.
I think I made it, thanks for some ideas from previous posters.