Frontier again cancelled my flight and I needed to chat to get replacement flights (two days later!). Completely absurd experience: it took almost an hour once the agent came into the chat. He seemed ridiculously confused and distracted -- I do wonder how many chats they must do at the same time. I just had to keep repeating what I wanted. And then he magically understood the flights I wanted and I was done. I do not think normal human beings could tolerate this experience.