| a. Airport within driving distance has more frequent air service |
| b. Airport within driving distance has lower fares |
| c. Airport within driving distance is served by a low-fare carrier |
| d. High Density Rule landing/takeoff slot limitations at hub airports have resulted in a reduction in air service at this airport or inhibited ability to secure additional air service |
| e. Legacy carrier financial difficulties have resulted in a reduction in air service at this airport or inhibited ability to secure additional air service |
| f. The use of regional jets requires more passengers than can be generated at this airport |
| g. Insufficient marketing and promotional funds |
| h. Lack of service to multiple destinations at this airport |
| i. The use of regional jets has resulted in point-to-point service that overflies this airport |
| j. Public reluctance to fly since September 11, 2001 |
| k. Inconvenient airline schedules (e.g., flight schedules do not meet connecting banks at the hub) |
| l. Access to alternative modes of transportation to a competing airport (e.g., good highway access to competing airports) |
| m. Other reason(s)- Please specify below. |