PissedConsumer.com strives to provide consumers with the right information to make informed purchasing decisions. Our website collected and compiled various consumer reviews about Frontier Airlines and United Airlines as well as customer ratings and recommendations for these brands. Each brand score is calculated based on set of relevant criteria and displays company performance over time.

Frontier Airlines
United Airlines

Frontier Airlines and United Airlines Overview

Total reviews
Company responses
Issues resolved

United Airlines was first mentioned on PissedConsumer on Dec 12, 2007 and since then this brand received 790 reviews. It is 101 reviews more than Frontier Airlines received since Apr 11, 2008. According to received "Issue Resolved" consumers' votes, a consumer has equal chances to resolve issues with Frontier Airlines customer support team and United Airlines customer service.

Frontier Airlines and United Airlines Consumer Ratings

97 out of 620 in Transport category
81 out of 620 in Transport category
Customer service
63 in category
65 in category
Additional Fees
71 in category
59 in category
Level of Comfort
85 in category
64 in category

According to consumer ratings and reviews, United Airlines ranks 16 points higher in the Transport category than Frontier Airlines. People gave Frontier Airlines 1.2 stars for Customer service criterion in Transport category and it is 128 points higher than the worst rated brand in this category. At the same time, United Airlines was rated 1.2 stars for Customer service criterion in this category and it is 126 points higher than the worst rated brand in this category. If we look at Additional Fees criterion, than we see that United Airlines has a higher rating than Frontier Airlines. Regarding Level of Comfort criterion, consumers gave Frontier Airlines 1.4 stars and it is 56% greater than other in category. United Airlines however was rated 1.7 stars and it is 66% greater than other in category.

Frontier Airlines and United Airlines Rating Details

Customer service
1.2 (284 reviews)
1.2 (193 reviews)
Reviewer's quote

...Customer service offers absolutely nothing to resolve this, now I have to wait until the next day to catch a flight, thank goodness I had enough points with delta to book. I fly literally weekly, & this is exactly why I prefer not to fly with frontier..

Reggie J

Flew first class. No entertainment system. No pillows. No blankets. No champagne for mimosas. Wrong decalration forms filled out. Horrible food. Who serves salmon???

Stuart D
Additional Fees
1.3 (259 reviews)
1.4 (136 reviews)
Reviewer's quote

Frontier Airlines seems to try to present themselves as a budget airline, but charge astronomical fees. I have consistently seen very rude employees in personal experiences with Frontier Airlines. They entice you with low fares, but I have seen them raise their prices before I can complete a booking...

Kurt M

Dear Sir/Madam,I had planned travel from Chicago to Mumbai via Newark on 06/18 with United Airlines. I boarded on Chicago and when I reached to Newark then I came to know flight UN48 was cancelled and travel assistance shifted me for next day flight 06/19.This is my advance planned trip and as per...

Level of Comfort
1.4 (245 reviews)
1.7 (149 reviews)
Reviewer's quote

I have always had a great experience on Frontier. And usually the flight gets in a few mins early. Meaning more time for vacation...


On April 17th, 2019 we purchased tickets and received confirmation for 3 seats on Flight AC780 to Montreal on June 5th, 2019 through the United.com reservation website. We used United Miles to purchase the tickets. The flight is operated by Star Alliance partner airline Air Canada.On June 2nd...

Gregory C

Frontier Airlines and United Airlines Pros and Cons

  • Low fares
  • Flight price
  • Flight attendant
  • Kind and helpful flight attendants
  • Very nice flight attendants
  • In-flight service
  • Unacceptable customer service
  • Customer service
  • Baggage fees
  • Terrible customer service
  • Lack of humane treatment
  • Treatment at the hands of united staff

Frontier Airlines and United Airlines Most Positive Reviews

Top rated reviews

Had a great flight experience with Frontier!!!
Thanks Frontier you made my wife 40th B-Day flight awesome!!!!


Feeling hurt & disappointed. We are handicapped & seniors & had selected two aisle seats when we purchased our tickets...

Frontier Airlines and United Airlines Most Critical Reviews

Lowest rated reviews

I made reservation for my wife son and I to fly to Memphis TN. Reservation code DNVTON on Aug. 13th - Aug. 15th. After...


I was physically removed from a flight from San Juan, PR to Chicago because I had a seizure. The pilot felt I was a "sec...

Frontier Airlines and United Airlines Latest Reviews

Recent published reviews

No one was able to answer questions. Representatives were located in the Philippines, and their English and u...

Read all 689 reviews

United, you lost my luggage in August 2019 and haven’t been able to find it! The United First Class flight attendant...

Read all 790 reviews

Frontier Airlines and United Airlines Products and Services

Most reviewed product and services
  • Frontier Airlines Flight (299 reviews)
  • Frontier Airlines Customer Care (56 reviews)
  • Frontier Airlines Baggage Policy (48 reviews)
  • United Airlines Flight (357 reviews)
  • United Airlines Customer Care (68 reviews)
  • United Airlines Flight Booking (52 reviews)