Transcript for Still the Safest Year for Airline Travel?
With so many of -- traveling this holiday week we heard the news today of five airline mishaps in just 24 hours. One of them a direct hit from a bird. But these events happened at the end of the year that could be the safest for worldwide air travel ever. And ABC's Lisa stark tells us what we learned about air safety today. Site mishaps in the -- in the last 24 hours but no injuries. A southwest jets used tires blew on takeoff. It all -- often. Shaken -- -- ticket in this at the net -- data fed would retire another southwest plane hit a bird. A smoke alert -- the united jet a strange noise forced a delta emergency landing and another delta flight also blew a tire. But the last major fatal commercial air crashed in the US was nearly three years ago. The skies in the US and in fact most of the world are as safe as they have ever been. He's here so far -- most commonly flown by Americans worldwide. Had just one major crash for every three million flights. 49%. Better than last year they've gotten very good at making this system -- -- Years of effort including new safety technology and better pilot training have paid off but there's another reason the skies may be safer now as well. Believe it or not it's the slow economy that's what airlines were -- keep their most experienced workers during boom times. Safety had slept during periods of growth -- see. Airlines. Are usually press to try to put new people -- service two. Bring in new aircraft in all they had actually puts a little bit more risk in the system and there's another risks even now. We'll be careful not just two assumed that the -- is over for aviation safety it's -- Accidents happen in an instant it takes work to ensure safe skies stay that way. Lisa stark ABC news Washington.
This transcript has been automatically generated and may not be 100% accurate.