Over 500 Flights Cancelled as Storm Erin Sparks Travel Frenzy Across the US in Illinois, Colorado, California, and New York, Stranding Thousands of Passengers

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Over 500 flights were cancelled and nearly 1,800 delayed across key U.S. hubs in Illinois, Colorado, California, and New York as Storm Erin, once a Category 5 powerhouse now downgraded to a Category 3 storm, unleashed strong winds and dangerous weather conditions that rippled through the nation’s aviation network. The storm’s far-reaching impact triggered a travel frenzy, stranding thousands of passengers in crowded terminals while airlines scrambled to rebook flights, reposition crews, and keep up with cascading disruptions that showed no signs of easing.

Flights were cancelled and 1,785 delayed across the United States today as Hurricane Erin disrupted travel in Illinois, Colorado, California, and New York, leaving thousands of passengers stranded. Chicago O’Hare was the hardest hit with 252 cancellations and 299 delays, including SkyWest with 75 cancellations (14%) and 60 delays (11%), United with 57 cancellations (8%) and 87 delays (13%), Envoy Air with 34 cancellations (9%) and 35 delays (10%), GoJet with 27 cancellations (21%) and 10 delays (8%), Republic with 26 cancellations (14%) and 11 delays (6%), and American Airlines with 21 cancellations (5%) and 61 delays (14%), while Air Canada cancelled 77% of its schedule. Denver International reported 15 cancellations and 66 delays, led by Air Canada cancelling 83% of flights, along with United, American, Alaska, Delta, and Southwest posting smaller disruptions. Los Angeles International recorded 19 cancellations and 86 delays, with Air Canada responsible for 14 cancellations (58%), American and United cancelling 2 each, and Delta delaying 9 flights. LaGuardia in New York saw 19 cancellations and 100 delays, where Air Canada cancelled 15 flights (75%), American and United cancelled 2 each, and Delta, Spirit, and Southwest posted the largest share of delays.

National Overview

Across the United States, disruptions mounted quickly. By midday, there were 439 cancellations and 1,785 delays nationwide, a figure that climbed steadily as the storm churned northward. While all regions saw impacts, the greatest concentration of cancellations and delays fell on the four key hubs of Chicago, Denver, Los Angeles, and New York, where both U.S. carriers and international airlines reported broken schedules and stranded aircraft.

Chicago O’Hare International Airport (Illinois)

Chicago O’Hare was the epicenter of the day’s crisis. In total, the airport logged 252 cancellations and 299 delays, making it the single hardest-hit location in the nation. Nearly every major carrier serving O’Hare was affected.

SkyWest Airlines cancelled 75 flights (14% of its schedule) and delayed 60 more (11%). United Airlines, which maintains a major hub in Chicago, saw 57 cancellations (8%) and 87 delays (13%). Envoy Air cancelled 34 flights (9%) and delayed 35 (10%), while GoJet cancelled 27 flights (21%) and delayed 10 (8%). Republic Airways also struggled, cancelling 26 flights (14%) and delaying 11 (6%).

American Airlines, another of O’Hare’s key operators, reported 21 cancellations (5%) and 61 delays (14%). International partners were not spared either. Air Canada cancelled seven flights, a striking 77% of its schedule from O’Hare, while PSA Airlines cancelled four flights (19%).

Smaller-scale disruptions rippled through other carriers. Frontier Airlines cancelled one flight (2%) and delayed two (5%), Cathay Pacific reported two delays (50%), and China Southern Airlines logged three delays (60%). Delta Air Lines delayed four flights (5%), Endeavor Air one (16%), and ITA Airways two (100%). Japan Airlines delayed one flight (25%), Jazz one (10%), and Korean Air one (25%).

Cargo and regional operators also faced disruptions: Key Lime Air delayed two flights (20%), Nippon Cargo one (20%), SAS one (50%), Swiss one (25%), and TAP Air Portugal one (50%). Southwest Airlines delayed three flights (11%). Contour Airlines reported five delays (18%), Air India one (50%), AeroMéxico one (12%), and Alaska Airlines two (8%).

Denver International Airport (Colorado)

Denver International was another storm-stressed hub, recording 15 cancellations and 66 delays. Air Canada bore the heaviest brunt here as well, cancelling 10 flights, equal to 83% of its schedule.

United Airlines cancelled three flights and delayed 20 (2%), while American Airlines cancelled two (3%) and delayed one. Alaska Airlines delayed two flights (11%), and Delta Air Lines also delayed two (2%). Lufthansa recorded a single delay (25%), and Frontier one (0%).

JetBlue delayed two flights (20%), Key Lime Air one (4%), and SkyWest 13 flights (2%). Southwest Airlines, Denver’s largest operator, saw 21 delays (3%). Smaller carriers like Contour Airlines and Allegiant Air each logged one delay.

Los Angeles International Airport (California)

At Los Angeles International, the country’s busiest West Coast hub, there were 19 cancellations and 86 delays. Air Canada again dominated cancellations with 14 flights scrapped (58%), followed by American Airlines and United with two cancellations each. El Al cancelled one flight (25%).

The ripple of delays was broad. Delta Air Lines logged nine delays (3%), and Southwest Airlines eight (5%). American Airlines delayed 15 flights (7%), and United nine (4%). Alaska Airlines delayed two flights (2%), JetBlue two (4%), and Horizon Air two (4%).

International carriers at LAX also suffered. Air France delayed two flights (20%), Air Premia one (20%), AeroLogic one (16%), and China Airlines two (25%). Cayman Airways, operating a single scheduled flight, saw a 100% delay rate. Air China delayed one (12%), China Eastern one (50%), China Cargo one (20%), Cargolux one (25%), Cathay Pacific one (16%), Sichuan Airlines one (50%), China Southern one (14%), and XiamenAir one (50%).

Other disruptions included EVA Air (one delay, 14%), Fiji Airways (one delay, 50%), Hawaiian Airlines (three delays, 25%), Japan Airlines (one delay, 14%), Korean Air (three delays, 33%), Breeze Airways (one delay, 12%), Norse Atlantic Airways (one delay, 33%), Qantas (one delay, 14%), Qatar Airways (one delay, 50%), Singapore Airlines (two delays, 28%), and Emirates (one delay, 50%).

LaGuardia Airport (New York)

LaGuardia in New York rounded out the list of heavily disrupted airports with 19 cancellations and 100 delays. Air Canada was again hardest hit, cancelling 15 flights, 75% of its schedule there.

American Airlines cancelled two flights (2%) and delayed 14 (16%), while United cancelled two (3%) and delayed 11 (19%). Delta Air Lines, the largest operator at LaGuardia, reported 26 delays (15%), and Endeavor Air added 10 (4%).

Frontier Airlines delayed two flights (14%), JetBlue one (3%), Spirit Airlines 10 (35%), Republic Airways six (1%), SkyWest one (9%), and Southwest Airlines 19 (29%).

Hurricane Erin’s Strength and Path

The aviation collapse came as Hurricane Erin, which briefly peaked as a Category 5 storm with winds of 160 mph, was downgraded to a Category 3 with sustained winds near 125 mph. At 11 a.m. ET, the National Hurricane Center placed the storm about 200 miles north-northwest of San Juan, Puerto Rico.

Although the hurricane’s core is not expected to make landfall in the continental United States, the storm is driving dangerous surf and rip currents along the East Coast. Erin is projected to pass east of the Turks and Caicos Islands and the southeastern Bahamas on August 17 and 18.

Power Outages in the Caribbean

Beyond airports, the storm caused major electrical outages in the U.S. Virgin Islands. On St. Thomas, 19,126 of 23,252 customers lost power, leaving nearly the entire island in darkness. Smaller but significant outages were also recorded in St. John and St. Croix.

Stranded Travelers

The combined total of more than 500 cancellations and nearly 1,800 delays has left airports packed with stranded passengers. Airlines including United, American, and Delta are issuing waivers to allow passengers to rebook flights without penalty, but rebookings are limited as aircraft and crews remain scattered.

At O’Hare, lines stretched across terminals as passengers scrambled to secure alternate flights. In Denver, travelers faced long waits as gate changes and rolling delays piled up. Los Angeles passengers confronted similar chaos, with international carriers such as Air Canada, Cathay Pacific, and China Airlines struggling to provide rebooking options. In New York, LaGuardia’s congestion pushed many passengers to nearby airports in hopes of escaping the gridlock.

Over 500 flights were cancelled across Illinois, Colorado, California, and New York as Hurricane Erin’s powerful winds and dangerous conditions disrupted airports, sparking a nationwide travel frenzy and leaving thousands of passengers stranded.

A Long Travel Weekend Ahead

As Hurricane Erin continues to track north, the disruptions are expected to linger. Even without a direct U.S. landfall, the storm’s influence on Atlantic and East Coast weather patterns will likely continue to ripple through the air travel system for days. With peak summer travel demand still in full swing, today’s travel frenzy may only be the start of a turbulent weekend for passengers across the country.