You’ll probably find the travel benefit to be pretty unimpressive. At 6 months you have to take a course and complete the test to earn the id90 benefit. It basically explains the rules and procedures for using the benefit.
Depending on the fleet type you get, you’ll likely earn top tier status at one or more of the legacy carriers and will be traveling positive space on award tickets and getting upgraded. This is a far better way to travel than id90.