Passengers claim that British Airways have lost their luggage
Terry Page, 28, from London, flew from Terminal 5 to Fort Worth, Texas.
On arrival he and "about 50" others were eventually told that BA did not know where the bags were, and were told they were hoping they would receive them on Monday.
"They said nothing," he claimed. "I saw everyone else filling out forms and I asked what it was about.
"It's affected so many people. Some 80-year-old lady was standing around waiting for announcements, et cetera – and she fell over," he said.
"We helped her up and she said 'I'm just so tired'.
"It's been a terrible, terrible day"' Mr Page added.
British Airways suffered a system's outage over the Bank Holiday weekend
"Strangely we were the last flight to leave the airport and there were 15 unclaimed bags lying around," he said.
There was a lady with her baby stranded, it was awful
Terry Page from London
"There was a lady with her baby stranded, it was awful."
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Mr Page said he had been planning a road trip with a work colleague on arrival, but believed he would have to delay it until he was reunited with his luggage.
"I've had to go to a petrol garage and buy non-brand deodorant and toothpaste.
Terry Page said he saw one elderly woman collapse through exhaustion
"I feel like a 15-year-old kid who's run away from home!"
Musician Charles Trippy, bassist with US rock band We The Kings, complained to BA via Twitter that his instrument was missing.
The band are on the bill at the Slam Dunk Music Festival, which has shows in Leeds on Sunday and Hatfield on Monday.
Electronic devices BANNED on flights Fri, March 24, 2017
Britain and America have implemented an electronic device ban on certain flights bound for the US, and Britain. British Airways, EasyJet, Jet2.com, Monarch, Thomas Cook, Thomson are all affected by the ban. Here are the devises currently banned.
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Trippy tweeted: "Dear @British_Airways please find my bass. It's getting frustrating that you don't know where it is. I kinda need it for work. No big deal".
It follows chaos at Heathrow and Gatwick where BA flights have been devastated by IT problems.