No attendant to push wheelchair, I push it from E23 to E1, then and attendant was called. Departure was at F6 in SLC. 15 min to get from E terminal to F. I had to run to get to plane with minutes to spare before departure. At 85 years old, it was a very hard trip on myself and my husband whose is 87 with heart problems and a stroke! Delta will not be my choice of airlines again!!