Skip to content

Southwest Airlines suffers systemwide computer outage for second time in 24 hours

June 15, 2021
2 min read
Southwest Airlines Boeing 737 Denver Las Vegas
Southwest Airlines suffers systemwide computer outage for second time in 24 hours
The cards we feature here are from partners who compensate us when you are approved through our site, and this may impact how or where these products appear. We don’t cover all available credit cards, but our analysis, reviews, and opinions are entirely from our editorial team. Terms apply to the offers listed on this page. Please view our advertising policy and product review methodology for more information.

Editor's Note

This post has been updated with new information. 

Southwest Airlines experienced a system outage Tuesday afternoon, leading to widespread delays and cancellations as the airline raced to get its network back online.

At the airline's request, The Federal Aviation Administration issued a nationwide groundstop for all Southwest flights shortly after 3 p.m. ET. The outage was Southwest's second in less than 24 hours, after a similar system failure led to a groundstop Monday night.

Disruptions were being reported across Southwest's network. More than 475 Southwest flights – about 14% of the carrier's entire Tuesday schedule – had been canceled as of 4:05 p.m. ET, according to flight-tracking website FlightAware. Another 1,233 Southwest flights — or about 36% of the day's schedule — were delayed.

Delta Air Lines and Alaska Airlines also experienced system issues Monday night, although the issues appeared to be fixed by Tuesday.

Southwest acknowledged the glitch in a Tuesday afternoon statement to TPG, saying it "is in the process of resuming normal operations after a brief pause in our flight activity resulting from intermittent performance issues with our network connectivity Tuesday afternoon.

"Our Teams are working quickly to minimize flight disruptions and Customer impact," Southwest added in its statement. "We appreciate our Customers' patience as we work to get them to their destinations."

Daily Newsletter
Reward your inbox with the TPG Daily newsletter
Join over 700,000 readers for breaking news, in-depth guides and exclusive deals from TPG’s experts

Monday night's issue at Southwest appeared to be caused by a third-party system that provides weather information for pilots. It was not immediately clear whether the two outages were related or caused by the same thing.

Editorial disclaimer: Opinions expressed here are the author’s alone, not those of any bank, credit card issuer, airline or hotel chain, and have not been reviewed, approved or otherwise endorsed by any of these entities.

TPG featured card

Rewards rate
3XEarn 3X Miles on Delta purchases.
1XEarn 1X Miles on all other eligible purchases.
Intro offer
Open Intro bonus
Earn up to 125,000 Bonus Miles
Annual fee
$650
Regular APR
19.49%-28.49% Variable
Recommended credit
Open Credit score description
Excellent to Good

Pros

  • Delta SkyClub access when flying Delta
  • Annual companion ticket for travel on Delta (upon renewal)
  • Ability to earn MQDs through spending
  • Various statement credits for eligible purchases

Cons

  • Steep annual fee of $650
  • Other Delta cobranded cards offer superior earning categories
  • Earn 100,000 Bonus Miles after you spend $6,000 or more in purchases with your new Card within the first 6 months of Card Membership and an additional 25,000 bonus miles after you make an additional $3,000 in purchases on the Card within your first 6 months, starting from the date that your account is opened. Offer Ends 04/01/2026.
  • Delta SkyMiles® Reserve American Express Card Members receive 15 Visits per Medallion® Year to the Delta Sky Club® when flying Delta and can unlock an unlimited number of Visits after spending $75,000 in purchases on your Card in a calendar year. Plus, you’ll receive four One-Time Guest Passes each Medallion Year so you can share the experience with family and friends when traveling Delta together.
  • Enjoy complimentary access to The Centurion® Lounge in the U.S. and select international locations (as set forth on the Centurion Lounge Website), Sidecar by The Centurion® Lounge in the U.S. (see the Centurion Lounge Website for more information on Sidecar by The Centurion® Lounge availability), and Escape Lounges when flying on a Delta flight booked with the Delta SkyMiles® Reserve American Express Card. § To access Sidecar by The Centurion® Lounge, Card Members must arrive within 90 minutes of their departing flight (including layovers). To access The Centurion® Lounge, Card Members must arrive within 3 hours of their departing flight. Effective July 8, 2026, during a layover, Card Members must arrive within 5 hours of the connecting flight.
  • Receive $2,500 Medallion® Qualification Dollars with MQD Headstart each Medallion Qualification Year and earn $1 MQD for each $10 in purchases on your Delta SkyMiles® Reserve American Express Card with MQD Boost to get closer to Status next Medallion Year.
  • Enjoy a Companion Certificate on a Delta First, Delta Comfort, or Delta Main round-trip flight to select destinations each year after renewal of your Card. The Companion Certificate requires payment of government-imposed taxes and fees of between $22 and $250 (for itineraries with up to four flight segments). Baggage charges and other restrictions apply. Delta Basic experiences are not eligible for this benefit.
  • $240 Resy Credit: When you use your Delta SkyMiles® Reserve American Express Card for eligible purchases with U.S. Resy restaurants, you can earn up to $20 each month in statement credits. Enrollment required.
  • $120 Rideshare Credit: Earn up to $10 back in statement credits each month after you use your Delta SkyMiles® Reserve American Express Card to pay for U.S. rideshare purchases with select providers. Enrollment required.
  • Delta SkyMiles® Reserve American Express Card Members get 15% off when using miles to book Award Travel on Delta flights through delta.com and the Fly Delta app. Discount not applicable to partner-operated flights or to taxes and fees.
  • With your Delta SkyMiles® Reserve American Express Card, receive upgrade priority over others with the same Medallion tier, product and fare experience purchased, and Million Miler milestone when you fly with Delta.
  • Earn 3X Miles on Delta purchases and earn 1X Miles on all other eligible purchases.
  • No Foreign Transaction Fees. Enjoy international travel without additional fees on purchases made abroad.
  • $650 Annual Fee.
  • Apply with confidence. Know if you're approved for a Card with no impact to your credit score. If you're approved and you choose to accept this Card, your credit score may be impacted.
  • Terms Apply.
  • See Rates & Fees