Working on 4.5 hours for unload and still not done...

Working on 4.5 hours for unload and still not done they didnt even start until at the 3 hour mark after I went in to complain about multiple other trucks coming and going. paid 310 for lumper. Appointment was at 8 got here early. All the other tucks unloaded. Not even sure Im going to make it to my other Appointment because of this delay.