SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of January, 2006 RYANAIR HOLDINGS PLC (Translation of registrant's name into English) c/o Ryanair Ltd Corporate Head Office Dublin Airport County Dublin Ireland (Address of principal executive offices) Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F. Form 20-F..X.. Form 40-F..... Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934. Yes ..... No ..X.. If "Yes" is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82- ________ RYANAIR'S CUSTOMER SERVICE STATISTICS FOR DECEMBER 2005 Ryanair, Europe's No.1 low fares airline, today (Monday, 9th January 2006) released its customer service statistics for December 2005. Ryanair is committed to publishing customer service statistics each month which again this month confirm that Ryanair is No. 1 for Customer Service. .84% of all Ryanair's 18,679 flights during December arrived on time. .Ryanair is the No.1 on-time airline beating Easyjet every week in 2003, 2004 and 2005. .Complaints of less than 1 (0.21) complaint per 1000 passengers. .Mislaid baggage of less than 1 (0.40) mislaid bag per 1000 passengers. On-time flights 90% 84% Complaints per 1 000 pax 0.26 0.21 Baggage complaints per 1 000 pax 0.39 0.40 Complaints answered with 7 days 100% 100% Ends.Monday, 9th January 2006 For further information: Peter Sherrard - Ryanair Pauline McAlester - Murray Consultants Tel: 00 353 1 812 1228 Tel: 00 353 1 4980 300 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, hereunto duly authorized. RYANAIR HOLDINGS PLC Date: 09 January, 2006 By:___/s/ Howard Millar____ H Millar Company Secretary & Finance Director