I learned the hard way that Frontier’s customer service isn’t always a true 24/7 line. My flight from Denver to Orlando got pushed back late at night, and I tried calling around 1 a.m. — no luck getting a live person. The next morning I finally reached someone who helped me rebook. After that, I started saving 844-734-0813 in my phone. When I had to cancel another trip last-minute for work, I called that number during the day and got through right away. The rep walked me through the cancellation, explained my travel credit, and the whole process took less than 10 minutes. From my experience, it’s the best way to instantly book, cancel, or modify flights. Even if the line isn’t always 24 hours, calling that number has been way faster than struggling with the website.
