Quantcast

Southwest Airlines Boeing returns to Denver due to cabin pressurization issues

Spirit Airlines Explores Bankruptcy Filing
Airlines turn to AI to allocate gates and cut waiting times
American Airlines Passengers Save Woman from Alleged Violent Male Companion on Flight
Garuda Indonesia and Japan Airlines (JAL) Form Joint Business Agreement — What To Know
Here's how Southwest Airlines' new seating and boarding process will work
Delta Adds New Route to Asia
Southwest Airlines will begin selling assigned seats in 2025
United Airlines Pilot Buys Passengers Pizza In Albuquerque After Flight Was Delayed 7 Hours
Czech Airlines to Cease Operations, Ending 23-Year SkyTeam Partnership
An Asian airline hopes launching one of the world's longest narrowbody routes will actually be a comfort upgrade for passengers
Airlines begin canceling flights, offering rebooking ahead of Hurricane Helene
Southwest Airlines to cut service and staffing in Atlanta to slash costs
New heights, new features: Discover Alaska’s enhanced Flight Pass subscription service
Alaska Airlines completes acquisition of Hawaiian Airlines, expanding benefits and choice for travelers
American Airlines welcomes JetSMART to the award-winning AAdvantage program
Explore Japan for free? Japan Airlines offers free domestic flights to foreign travelers
Delta named Official Airline Partner of Birmingham City Football Club
American Airlines to Cut These Routes to Las Vegas, Orlando, and More — Here's Why
Alaska Airlines completes acquisition of Hawaiian Airlines, expanding benefits and choice for travelers
Southwest wouldn't really start charging for bags — right?
JD Power ranked this Midwest airport as the best among largest airports in North America
Alaska Airlines Chief Plans More Routes After a Deal With Hawaiian
Air Canada could begin suspending flights soon as strike deadline nears
JetBlue's new ticket policy entitles every passenger to a carry-on bag
Why United Airlines’ CEO makes as few decisions as possible
American invests in the future of aviation maintenance with new jobs, additional work
DOT probe seeks to determine if frequent flyer programs are fair to travelers
American Airlines flight diverted after passenger starts vaping
Russian Airline Wants $100 Million From Canada for Seizing Its Giant Cargo Plane
Here's where American Airlines is adding flights to Europe in summer 2025
Southwest Airlines Boeing returns to Denver due to cabin pressurization issues
Policy
Webp 5r3vc2svdh8ibaxk8gr8iutw0za2
Simple Flying | Simple Flying

A Southwest Airlines Boeing 737-800, operating Flight SWA4277 from Denver to Oakland, returned to Denver shortly after takeoff due to a cabin pressurization issue. The incident occurred on November 21st, and the aircraft landed safely without any injuries reported.

The flight took off from Denver International Airport at 20:50 local time but was forced to divert back after reaching an altitude of 12,200 feet within four minutes. According to Flight Aware data, the aircraft quickly descended and performed two circuits at a lower altitude before landing back in Denver.

Passengers deplaned safely, and no oxygen masks were deployed during the incident. The aircraft involved is registered as N8551Q and has been with Southwest Airlines since October 2017. It was grounded for inspection following the event.

Get the Newsletter
Sign-up to receive weekly round up of news from Sky Industry News
By submitting, you agree to our Privacy Policy and Terms of Service. By providing your phone number you are opting in and consenting to receive recurring SMS/MMS messages, including automated texts, to that number from our short code. Msg & data rates may apply. Reply HELP for help, STOP to end. SMS opt-in will not be sold, rented, or shared.

Southwest Airlines arranged for another aircraft to transport passengers to their destination in Oakland. The replacement flight departed at 22:56 local time and arrived in Oakland approximately two-and-a-half hours later than scheduled.

The failed aircraft's pressurization system uses engine bleed air to maintain cabin pressure between 6,000 and 8,000 feet. Failures can occur if outflow valves malfunction, requiring flights to stay below 10,000 feet or be canceled altogether.

###

Organizations Included in this History
More News

Qantas, the national airline of Australia, is preparing to receive its first Airbus A321XLR next week.

Jul 1, 2025

The Boeing 787 Dreamliner series, produced by the Chicago-based aircraft manufacturer Boeing, includes several variants that have been developed to meet diverse airline needs.

Jul 1, 2025

Airbus has not introduced a new aircraft family since the Airbus A350 was launched over ten years ago.

Jul 1, 2025

Boeing has made significant progress in addressing a critical issue with its 777X aircraft, which faced delays due to a thrust link problem discovered in 2024.

Jul 1, 2025

Korean Air is set to continue operating its Airbus A380 and Boeing 747-8 aircraft longer than initially planned due to delays in receiving new planes from manufacturers.

Jul 1, 2025

Emirates has announced a reduction in its Airbus A380 flights to London Gatwick Airport, cutting back from three to two daily services.

Jul 1, 2025