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Form1: On-Time Performance Data for Non-Codeshare4

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Field Field Description Data Type Length   Comments
A Carrier code Character 2 Two letter IATA code
B 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
H Scheduled departure time as shown in CRS(selected by the Carrier) Num 4 Local time 24 hour clock
I Gate departure time (actual) Num 4 Local time 24 hour clock
J Scheduled arrival time per OAG Num 4 Local time 24 hour clock
K Scheduled arrival time per CRS Num 4 Local time 24 hour clock
L Gate arrival time (actual) Num 4 Local time 24 hour clock
M Difference between OAG and CRS scheduled departure times Num Max length of 4 In minutes (2 hours= 120 min) G minus H
N Difference between OAG and CRS scheduled arrival times Num Max length of 4 In minutes - J minus K
O Scheduled elapsed time per CRS Num Max length of 4 In minutes - K minus H
P Actual gate-to-gate time Num Max length of 4 In minutes - L minus I
Q Departure delay time (actual minutes CRS) Num Max length of 4 In minutes - I minus H
R Arrival delay time (actual minutes CRS) Num Max length of 4 In minutes - L minus K
S Elapsed time difference (actual minutes CRS) Num Max length of 4 In minutes - P minus O
T Wheels-off time (actual) Num 4 Local time 24 hour clock
U Wheels-on time (actual) Num 4 Local time 24 hour clock
V Aircraft tail number Character 6
W Cancellation code Character 1 Values are A, B, C, D
X Minutes late for Delay Code E - Carrier Caused Num Max length of 4 In minutes
Y Minutes late for Delay Code F - Weather Num Max length of 4 In minutes
Z Minutes late for Delay Code G -National Aviation System (NAS) Num Max length of 4 In minutes
AA Minutes late for Delay Code H - Security Num Max length of 4 In minutes
AB Minutes late for Delay Code I - Late Arriving Flight (Initial) Num Max length of 4 In minutes
AC First gate departure time (actual) Num 4 Local time 24 hour clock
AD Total ground time away from gate Num Max length of 4 In minutes
AE Longest ground time away from gate Num Max length of 4 In minutes
AF Number of landings at diverted airports Num 1 1 to 5 for diversions, 9 designates a fly return canceled flight
AG Diverted airport code I Character 3 Three letter Airport code
AH Wheels-on time at diverted airport Num 4 Local time 24 hour clock
AI Total ground time away from gate at diverted airport Num Max length of 4 In minutes
AJ Longest ground time away from gate at diverted airport Num Max length of 4 In minutes
AK Wheels-off time (actual) at diverted airport Num 4 Local time 24 hour clock
AL Aircraft tail number Character 6
AM Diverted airport code 2 Character 3 Three letter Airport code
AN Wheels-on time at diverted airport Num 4 Local time 24 hour clock
AO Total ground time away from gate at diverted airport Num Max length of 4 In minutes
AP Longest ground time away from gate at diverted airport Num Max length of 4 In minutes
AQ Wheels-off time (actual) at diverted airport Num 4 Local time 24 hour clock
AR Aircraft tail number Character 6
AS Diverted airport code 3 Character 3 Three letter Airport code
AT Wheels-on time at diverted airport Num 4 Local time 24 hour clock
AU Total ground time away from gate at diverted airport Num Max length of 4 In minutes
AV Longest ground time away from gate at diverted airport Num Max length of 4 In minutes
AW Wheels-off time (actual) at diverted airport Num 4 Local time 24 hour clock
AX Aircraft tail number Character 6
AY Diverted airport code 4 Character 3 Three letter Airport code
AZ Wheels-on time at diverted airport Num 4 Local time 24 hour clock
BA Total ground time away from gate at diverted airport Num Max length of 4 In minutes
BB Longest ground time away from gate at diverted airport Num Max length of 4 In minutes
BC Wheels-off time (actual) at diverted airport Num 4 Local time 24 hour clock
BD Aircraft tail number Character 6
BE Diverted airport code 5 Character 3 Three letter Airport code
BF Wheels-on time at diverted airport Num 4 Local time 24 hour clock
BG Total ground time away from gate at diverted airport Num Max length of 4 In minutes
BH Longest ground time away from gate at diverted airport Num Max length of 4 In minutes
BI Wheels-off time (actual) at diverted airport Num 4 Local time 24 hour clock
BJ Aircraft tail number Character 6

4  A reporting carrier must use this form to report on-time performance data if the flight was not a codeshare flight with another U.S. carrier. A reporting carrier must also use this form to report on-time performance data if the reporting carrier operated, but did not market, a codeshare flight.