Flight Check

PHX Airport Complaints — Which Airlines Have the Most Issues

Complaint rates for 10 airlines operating at Phoenix Sky Harbor International in Phoenix.

Weighted Avg Rate

5.6/100K

Airlines Tracked

10

Top Issue

Baggage

vs. Industry

32% below

Airline Complaint Rates at PHX

Ranked by DOT complaint rate per 100,000 passengers. Rates reflect each airline's nationwide complaint data, contextualized by their presence at Phoenix Sky Harbor International.

1Frontier Airlines(F9)
23.2/100K
5,879 total complaintsTop issue: Refunds
2Spirit Airlines(NK)
12.9/100K
4,480 total complaintsTop issue: Flight Problems
3JetBlue Airways(B6)
10.5/100K
5,182 total complaintsTop issue: Flight Problems
4Allegiant Air(G4)
8.3/100K
1,662 total complaintsTop issue: Flight Problems
5American Airlines(AA)
7.9/100K
12,808 total complaintsTop issue: Baggage
6United Airlines(UA)
6.9/100K
11,156 total complaintsTop issue: Flight Problems
7Delta Air Lines(DL)
4.1/100K
7,139 total complaintsTop issue: Flight Problems
8Hawaiian Airlines(HA)
3.7/100K
872 total complaintsTop issue: Flight Problems
9Alaska Airlines(AS)
2.5/100K
1,828 total complaintsTop issue: Customer Service
10Southwest Airlines(WN)
1.5/100K
3,165 total complaintsTop issue: Baggage

Source: DOT Air Travel Consumer Report, 2024. Rates are nationwide per-airline figures.

Monthly Complaint Trend at PHX (2024)

5.8
Jan
5.2
Feb
5.2
Mar
5.2
Apr
5.2
May
6.1
Jun
6.2
Jul
6.1
Aug
5.2
Sep
5.2
Oct
5.2
Nov
6.2
Dec

Weighted average complaint rate per 100K passengers by month. Red bars exceed the industry average (8.2).

Top Complaint Categories at PHX

Baggage65%
Flight Problems26%
Refunds4%
Customer Service4%

Weighted by airline flight volume at PHX. Categories reflect the most frequently reported issue type for each airline.

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Frequently Asked Questions

Which airline gets the most complaints at PHX?

Frontier Airlines has the highest complaint rate among airlines operating at Phoenix Sky Harbor International at 23.2 per 100,000 passengers. However, complaint rates reflect the airline's nationwide performance, not issues specific to PHX.

What is the overall complaint environment at PHX?

The weighted average complaint rate for airlines at Phoenix Sky Harbor International is 5.6 per 100K passengers, which is 32% below the industry average of 8.2 per 100K. The most common complaint category is baggage.

How do I file a complaint about an experience at PHX?

If your complaint is about an airline, file with the DOT at airconsumer.dot.gov or use Flight Check's Disruption Desk (flightcheck.live/disruption-desk) to generate a complaint letter and check what you're owed. For airport facility issues (parking, terminals, security lines), contact the airport authority directly.

Does PHX cause more airline complaints than other airports?

Airport-level complaint data from the DOT is reported by airline, not by airport. The data shown here reflects the complaint rates of airlines that operate at PHX, weighted by their flight volume. Airports with more low-cost carriers tend to have higher aggregate complaint rates.

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Source: DOT Air Travel Consumer Report, January–December 2024. Complaint rates are per-airline nationwide figures weighted by flight volume at PHX.