United Airlines is permanently axing U.S. domestic bus routes between airports in the coming weeks. The airline will be ending two routes later this summer and in the fall—its Denver to Fort Collins, Colorado, (DEN-FNL) and Newark, New Jersey, to Allentown, Pennsylvania, (EWR-ABE) Landline services.

According to an internal memo obtained by TheStreet, United Airlines will be permanently discontinuing two bus transfer services later this summer and in the fall, ending its Landline service from Denver to Fort Collins, Colorado, (DEN-FNL) as well as its route from Newark, New Jersey, to Allentown, Pennsylvania, (EWR-ABE).