I’m an MCO-EWR commuter. It can be a pain sometimes but it’s doable. There’s over 20 flights a day between the two cities. United is putting 777s and 767s on the route too, which helps. Occasionally I end up buying a MyUADiscount ticket. $80 bucks sure beats loosing out on the pay for a 4 day trip.

JetBlue, Spirit and Frontier also fly the route.