460 Cancellations, 5,500 Delays Hit US Airports April 2026

Winter Storm Kadence triggered 460 cancellations and 5,536 delays across US airports on April 4, 2026, paralyzing air travel through Chicago, Atlanta, New York, Dallas, San Francisco, and more than two dozen other cities.

Context and Background

The storm swept through the Northern Plains and spread into the Great Lakes and Upper Midwest, generating snow, freezing rain, and ice accumulation across parts of Minnesota, Wisconsin, and Michigan's Upper Peninsula. FlightAware data shows the disruptions cascading across the national airspace system as aircraft rotations broke down at major hubs.

Chicago O'Hare International Airport (ORD) bore the heaviest impact, logging 250 cancellations and 905 delays — by far the worst figures of any single airport. The storm is forecast to persist through the Easter weekend, with temperatures expected to slowly moderate by Sunday across the most affected areas.

Breaking Down Airport-Level Disruptions

Airport	Cancellations	Delays
Chicago O'Hare (ORD)	250	905
Denver (DEN)	16	373
Dallas-Fort Worth (DFW)	33	289
LaGuardia (LGA)	12	278
Harry Reid Las Vegas (LAS)	13	281
JFK New York	5	314
Atlanta Hartsfield (ATL)	32	222
Fort Lauderdale (FLL)	19	252
San Francisco (SFO)	7	253
Boston Logan (BOS)	11	199

Among airlines, United led cancellations (84) while Southwest recorded the most delays (840). American Airlines had 49 cancellations and 702 delays. SkyWest and PSA Airlines (both operating as American Eagle) also showed significant disruption numbers.

What Travelers Get (Key Disruption Facts)

5,536 total delays and 460 cancellations across the US network on April 4
Interstates 94, 29, 35, and 90 also flagged for possible temporary closures due to snow accumulation
Freezing rain expected in the Great Lakes region Saturday, converting to rain by late Saturday night in some areas
Northern Maine may see up to 6 inches of snowfall from the same weather system
Most disruptions concentrated across a 12-hour window affecting morning and afternoon push banks at ORD

What This Means for Travelers

Passengers at or connecting through Chicago O'Hare, Dallas-Fort Worth, or Denver face the highest probability of continued delays today. Check your flight status directly on your airline's app — United, Delta, American, and Southwest all offer real-time disruption waivers on days like today.

Contact the airline before reaching the airport if your flight is canceled — agent queues at affected airports are extremely long. Passengers entitled to compensation under DOT regulations should retain all receipts for meals and lodging incurred during delays over 3 hours.

FAQ: US Flight Disruptions April 2026

Q: Which airport had the most cancellations on April 4, 2026? Chicago O'Hare (ORD) — 250 cancellations and 905 delays, driven by Winter Storm Kadence sweeping across the Northern Plains and Great Lakes.

Q: Which airlines were most affected by the April 4 US disruptions? United (84 cancellations, 596 delays), American Airlines (49 cancellations, 702 delays), Southwest (22 cancellations, 840 delays), SkyWest (55 cancellations, 493 delays).

Q: How long will Winter Storm Kadence disrupt US air travel? The storm is forecast to persist through Easter Sunday, with gradual improvement as temperatures warm. Travelers should expect disruptions through at least April 6.

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Disclaimer: Flight schedules and disruption data are based on FlightAware tracking and are subject to constant change. Always verify directly with your airline before traveling.