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You have been waiting for your trip for weeks. You’re packing and unpacking a few times a day because you can’t decide what to bring. You finally manage to squeeze everything into a one small bag – because you don’t want to pay another $80 for an extra bag – and you’re on your way.

Then the airline loses your luggage and you have to spend more money to buy clothes until you get your suitcase back.

Now you’re thinking “I’m never flying with this company again!” Save yourself some time and go through the following list. It’s based on the latest data by the Office of Aviation Enforcement and Proceedings at the U.S. Department of Transportation.

1) Southwest

Southwest Airlines is by far one of the worst airlines when it comes down to mishandled luggage. In 2014 they lost 329,599 bags, according to Luggage Forward. Believe it or not, this is actually lower than the previous year; in 2013 they lost 439,323 bags.

2) American Airlines

Other than the fact that American Airlines doesn’t allow you to pay for your bags when you check in online, they also have been known to lose your luggage. According to Luggage Forward, American Airlines lost 158,663 bags in 2014. Although that’s a lot, it looks like they may have been making changes. In 2013 they lost 205,060 bags and according to the U.S. Department of Transportation, American Airlines has reported a total of 34,029 baggage reports in 2016.

delta plane

Delta is doing better, but they still lost thousands of bags in 2015. (AP)

3) Delta Air Lines

Delta is doing really badly. As many as 16,340 reports were filed, according to the March 2016 data it still is the third worst airline when it comes to lost luggage but, the company is actually doing a little better. There were 22,938 reports filed the previous year.

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4) United Airlines

According to the mishandled baggage reports filed by passengers, United Airlines had 15,931 bags reported missing. That’s 2.58 bags per 1,000 passengers.

5) Sky West Airlines

According to the U.S. Department of Transportation, as of March 2016 Sky West Airlines has mishandled 7,905 bags. But they’re getting better. Last March, the airline reportedly mishandled 9,950 bags.

6) ExpressJet

Express Jet is one of the world’s largest regional airlines and is also one of the worst when it comes to lost luggage. According to a 2014 report, the passengers who filed mishandled baggage reports, pertaining to lost luggage on domestic U.S. airline flights, most often used smaller regional airlines such as ExpressJet Airlines. The U.S. Department of Transportation reported 7,713 baggage reports in March 2016.

Check out more Airlines most likely to lose your bags.