I no longer see the return of CO621 mainline EWR-IND service in September in the schedule, but I have noticed another big upcoming change in CO's IND schedule... Starting this October 1, there is a large increase in mainline service IND-IAH, going from 1x735, 1xCRJ, 4xERJ to as much as 1x733, 2x735, 2xERJ.

The strange thing is that on Nov. 1 the service reverts back to the old mainly ERJ schedule.

Any ideas why CO would boost mainline service to IND for the month of October only?