I try to always fly with Lufthansa, even if it is a bit more expensive. They are usually on time and they serve food and drinks. You can almost guarantee that I

I try to always fly with Lufthansa, even if it is a bit more expensive. They are usually on time and they serve food and drinks. You can almost guarantee that Iberia will have some delay. KLM is also nice. To avoid: Ryanair. Seriously, even if it's cheap it is not worth it. Also, the one time I flew with Alitalia I got the worst headache I've gotten flying.