Kim Kardashian and Rita Ora ended up on the same flight out of Los Angeles Monday, which wouldn't be a big deal ... until you remember Kim has MAJOR BEEF with Rita!!!
As TMZ first reported, Kim still blames Rita for her bad breakup with Rob Kardashian ... which she considers the cause of a lot of his problems since then.
Things are still so bad between them ... Kim refused to sit near Rita at the VMAs.
Rita arrived about 30 minutes before Kim -- who was with Kanye West and North -- but they probably ended up in first class together.
Power up the noise-cancelling headphones.
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