From Don Mueang, the cheapest and potentially fastest way to get to Hua Lamphong Railway Station is probably by a direct train should the timetable

From Don Mueang, the cheapest and potentially fastest way to get to Hua Lamphong Railway Station is probably by a direct train should the timetable
While the actual Don Mueang Airport Rail Link isn’t up yet, the existing railway on the North and Northeastern Lines pass right outside the airport.
Don Mueang is the older and smaller airport of Bangkok, which is not yet served by a dedicated airport rail link. Or is it? While