Found some more, just checking some of our trips currently on the open boards for November..... (There are several daily, this is just representative of some of the flights showing around Thanksgiving)......

1688 25th IAH-DTW
703 25th IAH-ORD
705 25th ORD-IAH
1489 26th DTW-IAH
326 26th IAH-BWI
627 27th BWI-IAH
723 27th IAH-MSY

etc, etc.

DRW