Flight Check

MDW Airport Complaints — Which Airlines Have the Most Issues

Complaint rates for 4 airlines operating at Chicago Midway International in Chicago.

Weighted Avg Rate

2.4/100K

Airlines Tracked

4

Top Issue

Baggage

vs. Industry

71% below

Airline Complaint Rates at MDW

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

1Frontier Airlines(F9)
23.2/100K
5,879 total complaintsTop issue: Refunds
2Allegiant Air(G4)
8.3/100K
1,662 total complaintsTop issue: Flight Problems
3Delta Air Lines(DL)
4.1/100K
7,139 total complaintsTop issue: Flight Problems
4Southwest 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 MDW (2024)

2.3
Jan
2.3
Feb
2.3
Mar
2.3
Apr
2.3
May
2.7
Jun
2.7
Jul
2.5
Aug
2.3
Sep
2.3
Oct
2.3
Nov
2.7
Dec

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

Top Complaint Categories at MDW

Baggage79%
Flight Problems18%
Refunds3%

Weighted by airline flight volume at MDW. 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 MDW?

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

What is the overall complaint environment at MDW?

The weighted average complaint rate for airlines at Chicago Midway International is 2.4 per 100K passengers, which is 71% 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 MDW?

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 MDW 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 MDW, 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 MDW.