I had reservations from PHX to IAD then the commuter from IAD to PIT. The same travel was reversed on my return flight. On both flights the commuter plane was cancelled repeatedly until I had to secure a room on the first leg of the trip. The next day it was cancelled repeatedly until I had to get a rental car and drive to final destination. On the flight home it was cancelled repeatedly until I was forced to purchase another ticket on another airline to get home. This was extremely expensive and caused much anxiety and duress. I just can't release the fact that United is responsible for at least reimbursing me for some of the money that was spent correcting their poor service. The anxiety, stress, discomfort and money spent still leaves a very bad taste in my mouth still today. I will NEVER use United's commuter again!