Delta Airlines and Major Carriers Warn of Disruptions Amid U.S. Customs Policy Changes

The U.S. travel landscape is facing potential turmoil, as Homeland Security Secretary Markwayne Mullin has raised concerns about halting customs and immigration processing at significant international airports in cities labeled as “sanctuary cities.” The airports potentially affected include Chicago O’Hare, JFK, LAX, San Francisco, and Newark. Affected travelers from countries like Canada, Mexico, the UK, Germany, and India could face severe disruptions, including delays and cancellations.

A Looming Threat to International Travel

According to Mullin, the proposed policy may have far-reaching implications for summer travel and beyond, particularly affecting inbound international visitors. Major airlines, including Delta, United, American, Southwest, and Alaska Airlines, have labeled this initiative a “catastrophic disruption,” warning that it could have dire economic consequences for both the airline and tourism industries.

The potential suspension of customs processing comes amid a significant downturn in international travel to the U.S., with figures indicating a decline in visitor arrivals. The observance of decreasing tourist numbers underline the pressing need for stability within the travel sector.

Unpacking the Root of the Issue

The central issue revolves around a political dispute within the U.S. Department of Homeland Security (DHS) regarding the level of cooperation with federal immigration enforcement in sanctuary cities. Secretary Mullin’s statements suggest that airports in these areas could lose their customs and immigration processing capabilities, effectively halting international arrivals.

As a result, airlines leaders have explicitly warned that reducing customs staffing at these primary international gateways could drastically affect travel operations, cargo flows, and connectivity. The airports under scrutiny, including major hubs like JFK, LAX, Chicago O’Hare, San Francisco, Newark, Seattle, Denver, and Philadelphia, host millions of international travelers each year, making this a significant concern for the industry.

Airlines at Risk of Disruption

The impending disruption poses risks for five major U.S. carriers that heavily rely on international routes:

• Delta Air Lines
• United Airlines
• American Airlines
• Southwest Airlines
• Alaska Airlines

With the potential for rerouted, delayed, or even cancelled flights becoming imminent, travelers should prepare for an extensive shake-up, particularly for long-haul routes connecting the U.S. with essential international markets.

Crucial airport hubs facing potential impacts include:
• New York (JFK, Newark) – major gateways for Europe, UK, Middle East, and South America.
• Los Angeles (LAX) – vital for Pacific Rim, Asia, Australia, and Latin America connections.
• Chicago O’Hare – a central hub for both Europe and Latin America.
• San Francisco (SFO) – a key West Coast hub for travel to Asia and Oceania.
• Denver, Seattle, and Philadelphia – steadily growing international links.

Impact on Travelers

Declining International Visitor Numbers

Recent statistics from the National Travel and Tourism Office reveal that international visitation into the U.S. is waning:

• December 2025: 6,048,545 foreign arrivals, showing a 6.2% year-over-year decline.
• January 2026: 5,412,343 incoming travelers, down 3.5% compared to the previous year, with Mexico and Canada leading.
• Q3 2025: Notable declines from key markets, reinforcing vulnerabilities before any customs disruptions.

Potential Passenger Disruptions

• Flight Cancellations: Absence of Customs and Border Protection (CBP) staff could halt international processing, causing flight cancellations or deep delays.
• Rerouted Connections: Travelers may face longer, indirect routes through customs-compliant airports, increasing overall travel time.
• Increased Wait Times: Expect congestion at remaining customs-enabled airports as travelers scramble for alternative entry options.
• Diminished Tourism Confidence: A perception of entry complications could deter future international visitors to the U.S.

Industry Reaction

A range of industry professionals are vocalizing concerns about the proposed policy:

• Airlines for America warns that downgrading customs staffing could wreak havoc on both travel schedules and the broader tourism economy.
• The U.S. Travel Association underscores the value of smooth travel channels to stimulate economic activity and jobs.
• Government officials including Transportation Secretary Sean Duffy are urging that political considerations should not endanger air travel accessibility.

With millions of international travelers relying on affected airports, the potential fallout makes this an urgent issue worth following for anyone planning domestic or international travel.

What Should Travelers Do?

If you’re planning international travel to the U.S. this year, consider these key steps to stay informed and prepared:

• Verify Your Flight Status: Stay in constant contact with airlines to confirm flight schedules.
• Understand Your Airport Options: Be aware of which airports will remain open for international arrivals.
• Monitor Entry Requirements: Check for updates from official sources regarding customs and entry regulations.
• Leave for Airports Earlier: Be ready for potential delays at alternative entry points.
• Consider Travel Insurance: Additional coverage could help protect against possible cancellations and delays.
• Stay Updated: Follow all relevant announcements from government and airline authorities.

Conclusion

As the U.S. contemplates major changes to customs processing, travelers should act with diligence and foresight. Monitoring updates will be critical in navigating any potential disruptions in air travel and ensuring that your international journeys remain as seamless as possible.

Source: The post Delta Airlines joins United, American, Southwest, and Alaska Airlines to Warn of “Catastrophic Disruption” as US Considers Halting Customs & Immigration at Chicago O’Hare, JFK, LAX, San Francisco, and Newark — Canada, UK, Mexico, India, and Germany Travelers Could Face Delays and Cancellations first appeared on www.travelandtourworld.com.

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