Why planes are DIRTIER post-Covid – and these are the worst spots

 and author of book Soar - told the that deep cleaning aircraft between flights is no longer operationally possible as travel has returned to more regular levels.

The site also reported that shortages, in particular, of cleaning staff meant that it wasn't possible to thoroughly wipe down the aircraft each time.

Verna Montalvo, a cabin cleaner for American Airlines at Dallas-Fort Worth airport, told the Washington Post that this meant she and her team sometimes had as little as four minutes to do the job each time.

She revealed: "Some flight attendants get upset because it’s not clean.

"Of course it’s not clean - because this is how much [time] they give us.”

In response, Rachel Warner a spokeswoman for American Airlines told the site: "We continuously work with our business partners to ensure adequate staffing levels to adhere to our cleaning standards, and expect all our partners’ compensation structures fairly reflects market levels.

"Should a flight crew determine additional cleaning is needed to meet our standards, they are able to call the cleaning crew back to the aircraft.”

If you're curious about the most germ-plagued spots, then American and Delta Airlines told the Washington Post that they continue to sanitise certain high-touch surfaces before each flight - which include seat belts, tray tables, armrests and the toilets.

Experts also revealed that the safest way to travel is still to wear a high-quality face mask.

Leonard Marcus, who launched the  at the Harvard in 2020, added: “When I’m on a plane and I feel it’s necessary to take a drink or eat something, I’ll put it under my mask and then get the mask back on as soon as I can."

However, a flight attendant explained why you should never use the seat pockets on the plane.

Flightbae.B on TikTok said: "Did you know that seatback pockets are actually the dirtiest surface on the aircraft? It's because they are never cleaned".

We recently explained whether you can use AirPods on a plane journey.

What's more, this is the plane seat you should never book, even if it's empty.