Thanks dliesse for the ACARS web site. I played with that. Is that database complete? The reason I ask is that I put in a tail number, N330SW, that I saw (and have a photo of) at DAL on March 24. It doesn't show up in the ACARS database on that day. The ACARS database only shows 8 flights between 01/31/2009 and 04/21/2009. I would think this aircraft has flown more than that.
I'm still playing with my schedule extraction program. Here is a sample of the first 10 flight numbers. These look logical, but I may still have a bit of refining to do.
Flt# Dep Arr Frm To Frequency
0001 0700 0805 DAL HOU 12345_7
0001 0830 0920 HOU CRP 12345_7
0002 1455 1755 ISP TPA _____6_
0002 1825 1905 TPA MSY _____6_
0002 1925 2050 MSY DAL _____6_
0003 0730 0835 DAL HOU 12345_7
0003 0910 1230 HOU FLL 12345_7
0003 0910 1230 HOU FLL _____6_
0004 0700 0800 HOU DAL 123456_
0004 0700 0800 HOU DAL 12345__
0004 0825 0955 DAL MCI 12345_7
0004 0825 0955 DAL MCI ______7
0004 1025 1250 MCI IND 12345_7
0004 1025 1250 MCI IND 12345__
0004 1315 1450 IND BWI 12345_7
0005 0630 0740 AMA DAL 12345__
0005 0800 0905 DAL HOU 12345_7
0005 0930 1030 HOU HRL 12345_7
0006 0730 0830 HOU DAL 12345_7
0006 0855 0940 DAL ELP 12345_7
0006 1000 1055 ELP SAN 12345_7
0006 1000 1055 ELP SAN _____6_
0007 0700 0805 LBB DAL 12345_7
0007 0830 0935 DAL HOU 12345_7
0007 0830 0935 DAL HOU ______7
0007 1010 1100 HOU CRP 12345_7
0007 1010 1100 HOU CRP _____6_
0008 0645 0735 CRP HOU 12345_7
0008 0800 0900 HOU DAL 12345_7
0008 0925 1030 DAL LBB 12345_7
0009 0900 1005 DAL HOU 12345_7
0009 0900 1005 DAL HOU 12345__
0009 1030 1345 HOU MCO 12345_7
0009 1415 1705 MCO ALB 12345_7
0010 0700 0800 HRL HOU 12345__
0010 0830 0930 HOU DAL 12345_7
0010 0955 1105 DAL AMA 12345_7
0010 0955 1105 DAL AMA _____6_
0010 1125 1140 AMA LAS 12345_7
0010 1125 1140 AMA LAS _____6_
0010 1215 1315 LAS ONT 12345_7