Pros And Cons Of Flixbus Service. On the positive side, FlixBus offers a cost-effective way to travel between cities, making it an attractive option for budget-conscious travelers. FlixBus buses are generally comfortable, equipped with Wi-Fi, power outlets, and onboard restrooms, enhancing the overall travel experience. There are some drawbacks to consider. Delays can occur due to traffic, weather, or other factors, affecting travel schedules. Seating can be limited, and passengers might not always have access to their preferred seat.