The Tower by American Airlines
You start by selecting your hub (in my case, DFW). Then you can see the AA flights scheduled for the different terminals. They're color coded to indicate their status. You can see the number of departing and arriving flights, as well.
Debra Littlejohn Shinder, MCSE, MVP is a technology consultant, trainer, and writer who has authored a number of books on computer operating systems, networking, and security. Deb is a tech editor, developmental editor, and contributor to over 20 additional books on subjects such as the Windows 2000 and Windows 2003 MCSE exams, CompTIA Security+ exam, and TruSecure's ICSA certification.