The meal service on United looks absolutely deplorable. Just last week I flew DFW-RSW on American and received a full lunch service on a flight that departed at 2:30 pm with a block time of 2:21. The choices were a shrimp salad (which featured a plate full of large shrimp on the side ... or lasagna, which I chose on the website via their pre-order option. The salad was quinoa and I quite enjoyed it. Overall the meal was very enjoyable! Fresh baked cookies followed.
Also on an interesting note, you can now pre-order 13 special meal options on AA domestic flights as well.