“KTLA Morning News” crushed KTTV’s new “Good Day L.A.” in their first head-to-head competition Monday.

KTLA’s top-rated 7-9 a.m. happy news program scored a first-place 5.2 rating/ 21 share in Nielsen and a second-place 3.2/14 in Arbitron (behind KNBC-TV’s “Today” show), while Fox-owned KTTV finished with a 1.3/5 in Nielsen and a 1.3/6 in Arbitron.

When “KTLA Morning News” premiered in July 1991, it averaged a 3.0/13 in Arbitron and a 2.6/10 in Nielsen. It soared to the top of the ratings during the floods of February 1992, and has been in first or second place ever since.

Both KTLA and KTTV also launched 6-7 a.m. newscasts this week.

According to Nielsen, KTLA tied KCBS-TV in its first outing Monday, with the two stations each garnering a 1.6/10 (behind KNBC-TV at 3.2/20 and KABC-TV at 2. 9/18). KTTV’s “Fox Morning News” finished in last place with 1.2/7.

In Arbitron, KTLA tied KCBS with 1.7/12 (actually 1 share point behind the O&O) while KTTV grabbed a 0.8/6. KNBC won the time period with a 3.9/29 and KABC wound up in second with 2.1/16.