The result was (in order of frequency, multiple answers possible): human understanding/sympathy, common interests, time availability, punctuality/reliability, consistency, common aims.
Such considerations can lead on to considering the value of punctuality in econometrics and to considering the effects of non-punctuality on others in queueing theory.
Hundreds of complaints had been received, and it was discovered that in most cases punctuality and reliability had actually worsened on the converted routes.
