The nation's 12 largest airlines set a rec-ord in November for the fewest reports of lost baggage and had their second-best month for on-time arrivals and fewest traveler complaints.

The Department of Transportation said in its monthly Air Travel Consumer Report that there were 5.60 reports of mishandled baggage per 1,000 passengers in November. That was the lowest rate since airlines began reporting such data in September 1987.The government said the airlines were on time 84.6 percent of the time in November, compared with 82.4 percent in October. The best ever was 85.6 percent on-time arrivals in September 1988.

The Transportation Department got 642 complaints about the airlines in November, 51 fewer than the month before. The best record was 508 complaints in June 1990.