Narrative:

Flying all night. ATIS at ord giving 9L for landing runway. Shot the approach to 9L twice thinking we were cleared for 9L approach each time when in fact we were apparently cleared approach to 9R. Finally understood the controller was clearing us for 9R. Approach and landing normal.

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Original NASA ASRS Text

Title: ACR LGT RECEIVES ATIS LNDG RWY 9L AT ORD. DOES NOT PICK UP ON LNDG CLRNC FOR 9R AND THEREFORE MAKES APCH TO THE WRONG RWY TWICE IN ONE NIGHT AND LANDS.

Narrative: FLYING ALL NIGHT. ATIS AT ORD GIVING 9L FOR LNDG RWY. SHOT THE APCH TO 9L TWICE THINKING WE WERE CLRED FOR 9L APCH EACH TIME WHEN IN FACT WE WERE APPARENTLY CLRED APCH TO 9R. FINALLY UNDERSTOOD THE CTLR WAS CLRING US FOR 9R. APCH AND LNDG NORMAL.

Data retrieved from NASA's ASRS site as of August 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.