Frontier Airlines Complaints & DOT Data (2024)
5,879 complaints filed with the DOT in 2024.
Complaint Rate
23.2/100K
Total Complaints
5,879
Rank
#1 of 27
Top Issue
Refunds
Frontier's ultra-low-cost model generates the most friction in the industry. At 23.2 complaints per 100,000 passengers, it leads all U.S. airlines by a wide margin. The bulk of complaints center on refund disputes — passengers pay rock-bottom fares but face steep fees and rigid policies when plans change.
vs. Industry Average
Frontier Airlines is 183% above the industry average.
Monthly Complaint Rate (2024)
Complaints per 100K passengers by month. Red bars exceed industry average (8.2).
What People Complain About
How to File a Complaint Against Frontier Airlines
- Document everything — save confirmation emails, receipts, and screenshots.
- Contact Frontier Airlines directly first. Give them a chance to resolve it.
- If unsatisfied, file with the DOT at airconsumer.dot.gov.
- Use the Disruption Desk to understand what you are owed.
Frequently Asked Questions
How many complaints did Frontier Airlines get in 2024?
Frontier Airlines received 5,879 DOT complaints in 2024, at a rate of 23.2 per 100,000 passengers. This ranks them #1 out of 27 airlines tracked.
What do people complain about most with Frontier Airlines?
The most common complaint category for Frontier Airlines is refunds. Airlines failing to process refunds, issuing vouchers instead of cash refunds, or taking months to return money. The new DOT automatic refund rule (October 2024) specifically targets this problem by requiring airlines to refund automatically within 7 business days for credit cards.
How do I file a complaint against Frontier Airlines?
You can file a complaint against Frontier Airlines with the DOT at airconsumer.dot.gov, or use Flight Check's Disruption Desk to understand your rights and generate a complaint letter. Check what you're owed with the Compensation Calculator. Every DOT complaint is forwarded to Frontier Airlines's executive consumer affairs team.
Is Frontier Airlines complaint rate above or below average?
Frontier Airlines's complaint rate of 23.2 per 100K is 183% above the industry average of 8.2 per 100K. They rank #1 out of 27 airlines. See the full airline complaint rankings.
Compare Other Airlines
Source: DOT Air Travel Consumer Report, January–December 2024.