Narrative:

Cleared for visual approach to runway 8 and approximately 2-4 mi from the airport I was asked if I wanted runway 15L. I said yes and was cleared to land runway 15L. Previous trips to iah in this same scenario had ended in a landing on runway 15R (the shorter runway). I landed on runway 15R as I had done many times previous and upon rollout, realized I was on the wrong runway. Iah tower did not acknowledge the mistake. Complacency from previous flts lulled me into landing as usual and not considering my landing instructions.

Google
 

Original NASA ASRS Text

Title: PLT MAKING APCH TO RWY 8 AT IAH WITH CIRCLE TO LAND RWY 15L, LANDS ON RWY 15R INSTEAD.

Narrative: CLRED FOR VISUAL APCH TO RWY 8 AND APPROX 2-4 MI FROM THE ARPT I WAS ASKED IF I WANTED RWY 15L. I SAID YES AND WAS CLRED TO LAND RWY 15L. PREVIOUS TRIPS TO IAH IN THIS SAME SCENARIO HAD ENDED IN A LNDG ON RWY 15R (THE SHORTER RWY). I LANDED ON RWY 15R AS I HAD DONE MANY TIMES PREVIOUS AND UPON ROLLOUT, REALIZED I WAS ON THE WRONG RWY. IAH TWR DID NOT ACKNOWLEDGE THE MISTAKE. COMPLACENCY FROM PREVIOUS FLTS LULLED ME INTO LNDG AS USUAL AND NOT CONSIDERING MY LNDG INSTRUCTIONS.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.