| X77 | Kilmarnock to Ayr | Mon to Fri (26 trips, 27 back) Sat (27 trips, 28 back) Sun (27 trips, 25 back) | Western Scottish | | X77 | Ayr to Fenwick | Mon to Fri (26 trips) Sat (every 30 mins) Sun (8 trips) | Western Scottish | | X77 | Fenwick to Glasgow | Mon to Sat (every 30 mins) Sun (every 60 mins) | Western Scottish | | X77 | Fenwick to Hillhead | Only this direction, Mon to Fri (2 trips) | Western Scottish | | X77 | Hillhead to Fenwick | Only this direction, Mon to Fri (1 trip) | Western Scottish | | X77 | Ayr to Kilmarnock | Only this direction, Sat (1 trip) | Western Scottish | | X77 | Fenwick to Alloway | Only this direction, Mon to Sat (2 trips) Sun (3 trips) | Western Scottish | | X77 | Kilmarnock to Glasgow | Mon to Fri (27 trips, 26 back) Sat (28 trips, 27 back) Sun (26 trips, 27 back) | Western Scottish | | X77 | Fenwick to Ayr | Only this direction, Mon to Fri (4 trips) | Western Scottish | | X77 | Ayr to Fenwick | Only this direction, Mon to Fri (4 trips) | Western Scottish |