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Form 2B: On-Time Performance Data for Codeshare Flights (Short)6

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Field Field Description Data Type Length Comments
A1 Marketing Carrier code Character 2 Two letter IATA code
B1 Marketing Carrier Flight number Character Max length of 4
A2 Operating Carrier code Character 2 Two letter IATA code
B2 Operating Carrier Flight number Character Max length of 4
C Departure airport code Character 3 Three letter Airport code
D Arrival airport code Character 3 Three letter Airport code
E Date of flight operation Num 8 Format ccyymmdd
F Day of the week of flight operation Num 1 Mon=1, Sun=7
G Scheduled departure time as shown in Official Airline Guide (OAG) Num 4 Local time 24 hour clock
J Scheduled arrival time per OAG Num 4 Local time 24 hour clock
V Aircraft tail number Character 6

6  A reporting carrier must use this form to report on-time performance data if: (1) the flight was a codeshare flight held out to the public with only one U.S. carrier designator code (that a flight is also held out under any number of foreign carrier designator codes is irrelevant to determining whether to report); (2) the reporting carrier marketed, but did not operate, the codeshare flight; (3) there was no flight substitution; and (4) the operating carrier of the flight is also a reporting carrier.