Cleanliness is a crucial part of the Delta CareStandard and integral to the premium experience we work to deliver every day.
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Delta’s commitment to safety, cleanliness and wellness is as strong as ever, and keeping our communities safe has never been more important. Customers can rest assured that cleanliness continues to be a crucial part of the Delta CareStandard and integral to the premium experience we work to deliver every day. Here are six things to keep in mind and look out for on your next flight:


The air on Delta aircraft is completely refreshed 10 to 30 times per hour (every 2 to 6 minutes) with fresh outside air or air that has been circulated through industrial-grade HEPA filters, which extract more than 99.99% of particles, including viruses. These are the same types of filters used in hospital operating rooms, and we’ll continue to replace them onboard twice as often as recommended. HEPA filters are equally effective against all COVID-19 variants, including Omicron.

To ensure the air on the ground is clean during boarding and deplaning, Delta now uses LEED Platinum MERV14 filters  to pump outside air into our jet bridges and parked aircraft; these filter out 40% more air particles than previous air filtering systems.

Delta also has a longstanding mask requirement that is in line with federal regulations. 


Delta regularly cleans and sanitizes high-touch areas onboard our planes and at the airport. Our teams conduct frequent and thorough wipe-downs of our aircraft interiors, check-in lobbies, self-service kiosks, Delta Sky Clubs, gate counters and baggage claim areas. We also electrostatically spray aircraft interiors each night with high-grade disinfectant to ensure no surface goes unnoticed.


Customers are never more than a few feet away from hand sanitizer, with stations available from curb to claim. Last year, Delta became the first U.S. airline to permanently install Purell®hand sanitizer dispensers near boarding doors and lavatories on most Delta aircraft. Flight attendants also offer Purell® hand sanitizing wipes to customers during the boarding process.


Customers can make use of hands-free touchpoints and digital tools that offer more control and convenience throughout travel, including digital onboard menus via seatback screens, contactless payment  for onboard purchases, and hands-free lavatory features like touchless faucets, flush levers and waste lids.  And don’t forget to use the Fly Delta app. Thanks to recent enhancements, it’s easier than ever to find key travel information, make changes, and ask for help via the app.  


World-renowned cardiologist Dr. Henry Ting joined Delta earlier this year as our Chief Health Officer – a first for a U.S. airline. Dr. Ting has been a key voice in the health and wellness decisions that ensure customer and employee wellness throughout the journey.

Meanwhile, Delta’s Global Cleanliness organization is continuously developing science-backed cleaning technologies and protocols that ensure the health and safety of customers and employees. A team of over 100 clean ambassadors in airports ensures our cleaning efforts consistently meet the highest standards possible.


Delta forged partnerships last year with Mayo Clinic, Emory University and Reckitt, the makers of Lysol Pro Solutions®, and continues to work closely with them to review the latest science and enhance or adjust cleanliness protocols accordingly. We also continue to leverage expert guidance and work with local, state, and federal public health officials to keep our people and customers safe.

“Delta has a strong track record of leading the industry when it comes to cleanliness,” said James Sarvis, V.P. – Global Cleanliness. “As we expand our reputation for cleanliness that we cemented last year, our promise is to maintain and improve the level of care we are known for, giving customers the confidence to fly safely with Delta.”

The low risk of COVID-19 transmission on aircraft has been verified by numerous studies over the past 12 months, including a recent peer-reviewed study by the Mayo Clinic that shows the risk of exposure to COVID-19 while traveling after all passengers test negative 72 hours in advance of flight is less than 0.1%.

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