Flying and airport travel is a stressful experience, with some airports much higher on stress levels than others. A study released by KRC Research on behalf of Concur which is a travel and expense management solutions provider shows which airports are the most stressful. The survey shows 16 of the most stressful airports in the U.S. To do the study they interviewed 1500 business travelers.

Topping off the list is Chicago O'Hare International Airport which is known for long wait times, delays and cancellations. Right behind O'Hare are Los Angeles International and John. F. Kennedy International which are both major U.S. airports with a lot of passengers flying in and out daily.

Dallas Fort Worth on the other hand won accolades as the most stress-free airport because of good Wi-Fi coverage, clear signage and good food options.

CNBC reported that 56 percent of people found that O'Hare the distance between the gates was a stress-inducing challenge while 49 percent agreed that JFK's lines were some of the longest.

Other stress inducers included, poor service from airport staff, confusing airport signs, not enough bathrooms or crowded bathrooms, poor Wi-Fi and insufficient electrical outlets.

The most stressful U.S. airports according to business travelers:

  1.     Chicago O'Hare International Airport
  2.     Los Angeles International Airport
  3.     John F. Kennedy International Airport
  4.     Hartsfield-Jackson Atlanta International Airport
  5.     New York's LaGuardia Airport
  6.     Dallas-Fort Worth International Airport
  7.     Newark Liberty International Airport
  8.     George Bush Houston Intercontinental Airport
  9.     San Francisco International Airport
  10.     Miami International Airport
  11.     Washington Dulles International Airport
  12.     Charlotte/Douglas International Airport
  13.     Philadelphia International Airport
  14.     Orlando International Airport
  15.     Boston Logan International Airport
  16.     Las Vegas McCarran International Airport