I guess it has to do with my ignorance related to the Frontier compensation policy. I always fly Southwest Airlines, and they usually offer $200-$300/passenger if you are delayed for 3 hours. I suppose the distinction is that I still made my final destination just an hour late so they felt like no harm no foul.

I'm hoping I can figure out a way to use the vouchers. Great suggestion about Trenton.

If anyone has a way to combine them and/or use them for a passenger who wasn't delayed on the original trip, let me know. Thanks in advance.