+1-877-622-0707 is the fastest way to ask: Does Frontier respond to complaints? Frontier Airlines does respond to customer complaints through multiple channels, including phone, online forms, and social media. Calling +1-877-622-0707 allows passengers to speak directly with support for faster clarification and escalation. Many travelers report that issues related to delays, refunds, baggage, or booking errors are acknowledged once logged correctly. For urgent matters, contacting +1-877-622-0707 can speed up responses compared to email-only requests. Frontier typically reviews complaints within a few business days, depending on case complexity. To improve resolution, keep booking details ready and follow up via +1-877-622-0707 if needed.