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Medical

😴 CPAP machine

💼 Cabin bag

Yes

Medical device — exempt from standard carry-on limits at most airlines. Declare it at the checkpoint; it will be inspected separately.

✈️ Hold (checked)

Yes

Permitted.

💡 Tip: CPAP machines don't count as a carry-on item at most airlines — they are treated as a medical device and travel for free. Bring distilled water for the humidifier in your checked baggage (water is a liquid at security).

Airline-specific rules

🇺🇸American AirlinesDoes not count toward carry-on allowance; FAA-approved for in-flight use.
🇺🇸DeltaPermitted as a medical device, free of charge, and does not count as a carry-on.
🇺🇸United AirlinesAccepted as a medical device in addition to carry-on allowance; advance notice recommended.
🇬🇧British AirwaysCounted as a carry-on item unless a medical certificate is provided.
🇮🇪RyanairTreated as a standard cabin bag; obtain medical clearance to use onboard.
🇦🇪EmiratesAccepted as a medical device in cabin; contact special assistance team in advance for in-flight use approval.
🇦🇺QantasCarried in addition to normal cabin baggage allowance as a medical device with supporting documentation.

Based on official TSA guidelines. Rules vary by airline and route — always verify with your carrier before travel. · Rules last verified May 2026.

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