A United Airlines jet made an unscheduled landing at the Dallas-Fort Worth International Airport Saturday after the pilot noticed smoke in the cockpit, an airline spokeswoman said.

There were no injuries, and the plane landed safely.United spokeswoman Laura Winiarski said Flight 751 left Houston at 6:40 a.m. with 85 passengers and a crew of five, and was to fly to Denver and Boise. But the pilot put the plane down in Dallas at 7:49 a.m. as a precautionary move because of the smoke, Winiarski said.

She said the twin-engine Boeing 737's passengers and crew disembarked in a normal manner and that no one was hurt. No emergency chutes were used.