The plane took off and was in the air when a 66-year-old male passenger became cold and asked if he could have a blanket.
Hawaiian Airlines spokeswoman Alison Croyle said, "We don't know the demeanor of the passenger, what was said, or the tone". "First of all, it costs $12,000 for them to land here, and it's a $12 blanket".
Though officials say no "credible threat" was made, the flight crew's discomfort led them to alert the captain.
Witnesses said he took offence at the price and said he should be allowed to have it for free as it was cold, the NY Daily News reported.
The man voluntarily abandoned his flight and caught another one, he said.
Mauricio Pochettino sends warning to Chelsea after Tottenham's win over Everton
Barkley featured for Everton in the Premier League match against Tottenham away from home at White Hart Lane in North London. Well at least everyone can take some solace that they didn't waste too much time on it.
Data from the Flight Radar 24 website shows that the diverted flight later continued on to Honolulu following its unscheduled LA stop.
The pilot was forced to divert to Los Angeles after the man's "threatening behavior".
"I thought it was ridiculous", passenger Eileen Berstrom told CBS Los Angeles. "I'm going to call the president", Enriques said. "The thing we were most upset about was when we got off the plane, when they deplaned us after sitting for an hour, we talked to one of the staff and we asked them what we would do next, and we were not given a lot of information".
That same month, prosecutors said a traveler attacked a Muslim airline employee, warning her that Trump "will get rid of all of you".
Days later, passengers rejoiced when a man was kicked off a Houston-bound United flight for causing a disturbance that was blamed on racist comments. The man was escorted off the plane. "This is not Trump's America!"