Timings and another thing is
11055 Godan passes through Allahabad, Mau, Azamgarh, preffered by people of this region too.
15017 passes through Ald-Bsb so also preffered by people of this region.
Kushinagar has the most convinient timings and Gorakhpur SF departs in afternoo and arrrives late in the evening..