Narrative:

Initial tps and ATIS were for taking off to the south. When we called for taxi, we were given keg for runway 35L and obtained the tps through ACARS. During taxi, we discovered an aircraft problem that we might have to return to the gate for. Ground let us turn around on a parallel taxiway so we could stop and look at the problem while getting out of the way of other field traffic. It took a few mins to taxi to the spot ground had designated -- by then the first officer had fixed the small problem. We informed ground -- rejoined our original taxi clearance -- and completed the checklists. When we were switched to tower frequency there were 3 other aircraft ahead of us. Tower asked if 'anyone had numbers for runway 35.' I had the first officer inform them that we did. They had us taxi around the other three. While we were maneuvering we were cleared on to hold runway 35C. There was some confusion in the cockpit. I thought we were going to be cleared onto runway 35L and asked the first officer to confirm with tower. Tower was busy with landing traffic so the confirmation on which runway took a little longer. During this, and with confirmation from tower that runway 35C was correct, I mistakenly thought we had the numbers for runway 35C and had used this during the checklist -- we took off. I forgot that we actually had planned for runway 35L. The flight plan was slightly long and we had used some time with the aircraft problem. In my haste, I forgot which runway we had planned for thinking that it had been runway 35C all along. The first officer realized our mistake after takeoff. He pulled up a tps for runway 35C and then informed me that we took off with the numbers for runway 35L. The tps for runway 35C was exactly the same as the one for runway 35L, though I know that does not really matter after the fact. Our original tps showed that we were good for runways 17R and 17C with the same numbers. Closeout was 100 pounds light. WX was VFR with a slight headwind for a runway 35 takeoff. We were distracted with the 360 degree turn to get out of the way and fix a problem during taxi. I knew our flight plan was slightly long -- thought we were caught up with our checklist procedures, and was trying to be as expeditious as possible so we would not be too late getting into lga. Feeling confident that we were both 'up top speed' -- I did not stop and insure that we had the right numbers and both of us were really ready for takeoff, especially when 3 other aircraft were waiting for departure ahead of us. This was the last day of a 2-DAY sequence and our 4TH leg together -- the first officer was extremely strong and competent. The small problem we had before takeoff was due to a switch error by the first officer -- the hydraulic pumps were placed in low after checking the right engine hydraulic pump during the taxi check resulting in both reverser accumulator low light illuminating. I believe the hydraulic check was interrupted by the request to pick up a tps for runway 35L. I think the first officer was a little preoccupied with the small first mistake and helping me confirm the runway with tower -- while I was pushing to get us off the ground quickly so we could make up the time. I did not realize that I was pushing too hard. He informed me after takeoff when he realized that we took off without numbers for runway 35C.

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Original NASA ASRS Text

Title: AN MD80 CREW TOOK OFF AT DFW WITH PERFORMANCE FIGURES FOR ANOTHER RWY.

Narrative: INITIAL TPS AND ATIS WERE FOR TAKING OFF TO THE S. WHEN WE CALLED FOR TAXI, WE WERE GIVEN KEG FOR RWY 35L AND OBTAINED THE TPS THROUGH ACARS. DURING TAXI, WE DISCOVERED AN ACFT PROB THAT WE MIGHT HAVE TO RETURN TO THE GATE FOR. GND LET US TURN AROUND ON A PARALLEL TXWY SO WE COULD STOP AND LOOK AT THE PROB WHILE GETTING OUT OF THE WAY OF OTHER FIELD TFC. IT TOOK A FEW MINS TO TAXI TO THE SPOT GND HAD DESIGNATED -- BY THEN THE FO HAD FIXED THE SMALL PROB. WE INFORMED GND -- REJOINED OUR ORIGINAL TAXI CLRNC -- AND COMPLETED THE CHKLISTS. WHEN WE WERE SWITCHED TO TWR FREQ THERE WERE 3 OTHER ACFT AHEAD OF US. TWR ASKED IF 'ANYONE HAD NUMBERS FOR RWY 35.' I HAD THE FO INFORM THEM THAT WE DID. THEY HAD US TAXI AROUND THE OTHER THREE. WHILE WE WERE MANEUVERING WE WERE CLRED ON TO HOLD RWY 35C. THERE WAS SOME CONFUSION IN THE COCKPIT. I THOUGHT WE WERE GOING TO BE CLRED ONTO RWY 35L AND ASKED THE FO TO CONFIRM WITH TWR. TWR WAS BUSY WITH LNDG TFC SO THE CONFIRMATION ON WHICH RWY TOOK A LITTLE LONGER. DURING THIS, AND WITH CONFIRMATION FROM TWR THAT RWY 35C WAS CORRECT, I MISTAKENLY THOUGHT WE HAD THE NUMBERS FOR RWY 35C AND HAD USED THIS DURING THE CHKLIST -- WE TOOK OFF. I FORGOT THAT WE ACTUALLY HAD PLANNED FOR RWY 35L. THE FLT PLAN WAS SLIGHTLY LONG AND WE HAD USED SOME TIME WITH THE ACFT PROB. IN MY HASTE, I FORGOT WHICH RWY WE HAD PLANNED FOR THINKING THAT IT HAD BEEN RWY 35C ALL ALONG. THE FO REALIZED OUR MISTAKE AFTER TKOF. HE PULLED UP A TPS FOR RWY 35C AND THEN INFORMED ME THAT WE TOOK OFF WITH THE NUMBERS FOR RWY 35L. THE TPS FOR RWY 35C WAS EXACTLY THE SAME AS THE ONE FOR RWY 35L, THOUGH I KNOW THAT DOES NOT REALLY MATTER AFTER THE FACT. OUR ORIGINAL TPS SHOWED THAT WE WERE GOOD FOR RWYS 17R AND 17C WITH THE SAME NUMBERS. CLOSEOUT WAS 100 LBS LIGHT. WX WAS VFR WITH A SLIGHT HEADWIND FOR A RWY 35 TKOF. WE WERE DISTRACTED WITH THE 360 DEG TURN TO GET OUT OF THE WAY AND FIX A PROB DURING TAXI. I KNEW OUR FLT PLAN WAS SLIGHTLY LONG -- THOUGHT WE WERE CAUGHT UP WITH OUR CHKLIST PROCS, AND WAS TRYING TO BE AS EXPEDITIOUS AS POSSIBLE SO WE WOULD NOT BE TOO LATE GETTING INTO LGA. FEELING CONFIDENT THAT WE WERE BOTH 'UP TOP SPD' -- I DID NOT STOP AND INSURE THAT WE HAD THE RIGHT NUMBERS AND BOTH OF US WERE REALLY READY FOR TKOF, ESPECIALLY WHEN 3 OTHER ACFT WERE WAITING FOR DEP AHEAD OF US. THIS WAS THE LAST DAY OF A 2-DAY SEQUENCE AND OUR 4TH LEG TOGETHER -- THE FO WAS EXTREMELY STRONG AND COMPETENT. THE SMALL PROB WE HAD BEFORE TKOF WAS DUE TO A SWITCH ERROR BY THE FO -- THE HYD PUMPS WERE PLACED IN LOW AFTER CHKING THE R ENG HYD PUMP DURING THE TAXI CHK RESULTING IN BOTH REVERSER ACCUMULATOR LOW LIGHT ILLUMINATING. I BELIEVE THE HYD CHK WAS INTERRUPTED BY THE REQUEST TO PICK UP A TPS FOR RWY 35L. I THINK THE FO WAS A LITTLE PREOCCUPIED WITH THE SMALL FIRST MISTAKE AND HELPING ME CONFIRM THE RWY WITH TWR -- WHILE I WAS PUSHING TO GET US OFF THE GND QUICKLY SO WE COULD MAKE UP THE TIME. I DID NOT REALIZE THAT I WAS PUSHING TOO HARD. HE INFORMED ME AFTER TKOF WHEN HE REALIZED THAT WE TOOK OFF WITHOUT NUMBERS FOR RWY 35C.

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.