Pros:
1. The distance from the hotel to the airport is relatively far, which means you can enjoy more time and scenery on the way.
2. The route passes through some famous attractions and business districts, so you can do some sightseeing and shopping on the way.
3. You can choose different modes of transportation, such as cab, metro or special buses, to suit different needs and budgets.
Disadvantages:
1. The distance from the hotel to the airport is long and you may need to spend longer time on the road, especially during rush hour or traffic congestion.
2. Traffic congestion is one of the frequent problems in Beijing, so you need to allow enough time in advance to avoid missing your flight or schedule.
3. If you choose to travel during rush hour, fares may be higher than usual and vehicles are prone to traffic jams.
In short, there are some advantages and disadvantages of the route to T3 of the Capital International Airport. Depending on your personal needs and preferences, you can choose the right mode of transportation and plan your trip in advance to cope with any congestion you may encounter.