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Denver International Airport, Wednesday, Oct. 25, 2023. (Jeremy Sparig, Special to The Colorado Sun)

Planning to fly out of Denver starting Friday? 

Just make sure you check your email, airline app or website to track whether your flight will be one of those caught up in the latest change by the federal government shutdown.

After scrambling to address the Federal Aviation Administration request on Wednesday to reduce air traffic by 10%, United Airlines, which has a hub at Denver International Airport, said Thursday that they’ve canceled 4% of flights through Sunday, “as per guidance from the FAA” through the weekend, said spokesperson Russell Carlton. 

“This represents about 20 roundtrip flights a day in Denver, which will primarily be United Express flights,” he said. United averages about 550 departures a day from Denver.

Travelers on affected flights have already been notified, he added, and any customer expecting to fly soon is eligible to cancel for a full refund even if their flight isn’t impacted. Late Thursday, the company listed all the impacted flights on its website.

International flights and flights between United hubs are not impacted by the FAA order.  Other United hubs are in Chicago, Houston, Los Angeles, Newark, San Francisco and Washington, D.C.

All airlines operating out of DIA are also telling customers directly of changes to flights and encouraging everyone to check online and on mobile apps first. Most share Southwest Airlines’ outlook in that the “vast majority” of their customers will not be impacted. 

Southwest, too, is offering customers to change travel plans at no cost or get a refund if they cancel for flights booked through Nov. 12. But in an update, the company added: “We continue to urge Congress to immediately resolve its impasse and restore the National Airspace System to its full capacity.”

A new effort to end the shutdown, which is now in day 37 and is the longest in the nation’s history, looked a bit more promising on Thursday as Senate Majority Leader John Thune planned to keep the Senate in session to address a new bipartisan package of funding bills.

The day before, the FAA had told 40 of the busiest U.S. airports to reduce air traffic by 10% starting Friday due to staffing shortages stemming from the ongoing government shutdown.  

Nationwide, about 13,000 air traffic controllers, already a stressed-out occupation, have been working without pay, like other essential federal workers, since Oct. 1.  

Here are the 40 airports, according to the Associated Press:

  1. Anchorage International in Alaska
  2. Hartsfield-Jackson Atlanta International in Georgia
  3. Boston Logan International in Massachusetts
  4. Baltimore/Washington International in Maryland
  5. Charlotte Douglas International in North Carolina
  6. Cincinnati/Northern Kentucky International in Ohio
  7. Dallas Love Field in Texas
  8. Ronald Reagan Washington National in Virginia
  9. Denver International in Colorado
  10. Dallas/Fort Worth International in Texas
  11. Detroit Metropolitan Wayne County in Michigan
  12. Newark Liberty International in New Jersey
  13. Fort Lauderdale/Hollywood International in Florida
  14. Honolulu International in Hawaii
  15. Houston Hobby in Texas
  16. Washington Dulles International in Virginia
  17. George Bush Houston Intercontinental in Texas
  18. Indianapolis International in Indiana
  19. John F. Kennedy International in New York
  20. Harry Reid International Airport in Las Vegas
  21. Los Angeles International in California
  22. LaGuardia Airport in New York
  23. Orlando International in Florida
  24. Chicago Midway International in Illinois
  25. Memphis International in Tennessee
  26. Miami International in Florida
  27. Minneapolis/St Paul International in Minnesota
  28. Oakland International in California
  29. Ontario International in California
  30. Chicago O`Hare International in Illinois
  31. Portland International in Oregon
  32. Philadelphia International in Pennsylvania
  33. Phoenix Sky Harbor International in Arizona
  34. San Diego International in California
  35. Louisville International in Kentucky
  36. Seattle/Tacoma International in Washington
  37. San Francisco International in California
  38. Salt Lake City International in Utah
  39. Teterboro in New Jersey
  40. Tampa International in Florida

Denver was the third busiest airport last year with more than 82.4 million passengers traveling through it, according to the Airports Council International. The airport is a revenue generator for the state and collects money from car rentals, hotels, restaurants and other non-airline revenue. The airport’s economic impact is estimated at $47.2 billion a year for the state. 

DIA has 1,800 federal workers and asked the FAA on Wednesday if it can use airport revenues to support the controllers.

So far, no other airports in Colorado are on the FAA top 40 list. But that doesn’t mean there will be no impacts. Officials from Colorado Springs Airport said they are also trying to understand the local impact for travelers.

“We are actively monitoring the situation for changes within the national airport system,” said an airport spokesperson in an email. “We advise that travelers should check directly with their airline for the most up-to-date information. Additionally, we recommend allowing extra time at the airport ahead of any scheduled flights.”

In a memo United Airlines CEO Scott Kirby shared with employees on Wednesday, he noted that early November is typically a less busy travel season so “our flights have more seats available than before the summer, meaning we should be able to find seats for many customers even if their flight is canceled.”

Updates from the airlines

Many international airlines are not impacted by the FAA’s order. But several domestic airlines that operate in Denver have shared notices about how they’re handling the shutdown. Here are the airlines that addressed the potential disruption for passengers:

  • Alaska Airlines: Waivers available for flights scheduled between Nov. 7 to 10. >> See policy
  • American Airlines: Waivers available for flights through Nov. 14. >> See travel alerts
  • Breeze Airways: Expecting “minimal impact” but advise checking flight status ahead of time. >> See advisory
  • Delta Airlines: Assured customers that it “expects to operate the vast majority of our flights as scheduled, including all long-haul international service,” the company said. Those on affected flights or traveling in the impacted markets can cancel or get a refund without penalty. >> Updates
  • Frontier Airlines: Passengers whose flights are canceled or delayed for more than three hours for domestic flights and six hours for international flights are allowed to rebook or request a refund. >> Updates
  • JetBlue: Waiving fees to change flights through Nov. 10. >> Travel alerts
  • Southwest Airlines: Customers with travel booked through Nov. 12 can adjust travel plans at no additional cost or get a refund. >> Help center
  • Sun Country Airlines: Encourages customers to check their flight status, but there’s no offer to waive fees or provide refunds. >> Advisory
  • United Airlines: Offering refunds for travelers who want to cancel their flight. Rolling updates will be provided on flight schedules. >> Updates

This is a breaking news story and will be updated.

Tamara Chuang writes about Colorado business and the local economy for The Colorado Sun, which she cofounded in 2018 with a mission to make sure quality local journalism is a sustainable business. Her focus on the economy during the pandemic...