09LMID 33.3% on track could be 2 out of 3 off track
09LSAM 6.7% on track is at least 14 out of 15 off track
Is there something that is limiting operation of the SID ?
If it helps, the monthly breakdown of 09L departures this year is as follows:
Jan: 18
Feb: 8
Mar: 239
Apr: 236
May: 204
Jun: 217
I don't have the breakdown by SID, and that varies from day to day anyway depending on NAT tracks, en route winds, etc, but I've seen figures (I don't know how representative they are) showing around 6% of departures each on CPT and SAM, and around 17% on MID, with the remainder on DVR, BPK and BUZAD/WOBUN.