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Complaints and comments about airline service other than safety or security issues may be registered with DOT's Aviation Consumer Protection Division (ACPD). You can call, write or use our web form.
You may call the ACPD 24 hours a day at 202-366-2220 (TTY 202-366-0511) to record your complaint. Calls are returned Monday through Friday, generally between 7:30 am and 5:00 pm Eastern time.
You may send us a letter at:

• Aviation Consumer Protection Division, C-75
  U.S. Department of Transportation
  1200 New Jersey Ave, S.E.
  Washington, D.C. 20590

You can send us a complaint, comment or inquiry electronically by using our web form. This form allows us to capture information more accurately and process it more efficiently. Please click here to use our web form.
Whether you call, write or use the web form, please be brief and concise in the description of your problem and be sure to include the following information:

your name
address
daytime phone number (including area code) and e-mail address
name of the airline or company about which you are complaining
flight date
flight number if known
origin and destination cities of your trip.

If you send us a letter, you should also include a copy (not the original) of your airline ticket or itinerary sheet and any correspondence you have already exchanged with the company.
All complaints are entered in DOT's computerized aviation industry monitoring system, and are charged to the company in question in the monthly Air Travel Consumer Report. This report is distributed to the industry and made available to the news media and the general public so that consumers and air travel companies can compare the complaint records of individual airlines and tour operators. These complaints are reviewed to determine the extent to which carriers are in compliance with federal aviation consumer protection regulations. This system also serves as a basis for rulemaking, legislation and research. Where appropriate, letters and web form submissions will be forwarded to an official at the airline for further consideration.