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PART 234 ASQP On-Time Data Transmittal




The transmittal letter must identify the carrier and month and year for which the On-Time Data are being submitted, and contain the following information:

A certification statement identifying an appropriate official of the reporting carrier. The certification statement will read:

I, (Name) and (Title), of the above-named air carrier, certify that the BTS Form 234 “On-Time Flight Performance Report” is to the best of my knowledge and belief, true, correct, and a complete report for the period stated.

Name (Please Print or Type):

The name(s) and telephone number(s) of the carrier’s staff who can be contacted to resolve problems regarding both carrier data and technical matters.

For control purposes, a statement indicating the total number of flight operations and unique flight numbers in the Form 234 submission.

For the initial submission, a description of the data submitted, specifying whether the eSubmit file includes data for only reportable airports or for all domestic scheduled nonstop flight operations.

For the initial submission and for subsequent changes, a statement identifying the source of the scheduled arrival and departure times used in the report: (1) Official Airline Guide in effect on (date) and (2) the name of the computer reservation system used for reporting purposes, pursuant to §234.4(f).


Once signed, the On-Time Data Transmittal Letter must be published as an electronic “portable document format” file format, for uploading to the eSubmit application.

The portable document format file MUST BE indicated when naming the file, by using the letters [PDF] or [pdf] following the file name, as the file name extension. You must have Adobe Reader software downloaded on your computer in order to “save as/print” your document as a ‘pdf’ file.

While the file name is flexible and may be determined by the individual air carrier, the portable document format (pdf) file format is required, as outlined in the rule entitled, Submitting Airline Data via the Internet.

Suggested file name: XX201003-234transmittal.pdf