Seattle Airport: 98 Flight Delays Hit Delta, Alaska, United 2026

Passengers are stranded at Seattle-Tacoma International Airport (SEA) as a significant wave of flight disruptions grips the Pacific Northwest hub. On May 4, 2026, a total of 2 flight cancellations and 98 delays have been recorded, affecting major carriers including Delta Air Lines, Alaska Airlines, American Airlines, and United Airlines.

The disruptions are rippling through the national air travel network, with SEA serving as a critical hub for both domestic routes and transpacific international services.

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Airlines and Disruption Breakdown

Airline	Cancellations	Delays
Delta Air Lines	1	High
Alaska Airlines	1	Severe
American Airlines	0	Moderate
United Airlines	0	Moderate

Alaska Airlines — which uses SEA as its primary hub — is experiencing some of the highest delay volumes, with knock-on effects impacting its regional feeder network across the Pacific Northwest.

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Key Routes Affected

Delays are particularly concentrated on:

• SEA → JFK / LAX / SFO (transcontinental mainline routes)
• SEA → Chicago (ORD) (major United/American hub connector)
• SEA → Anchorage / Juneau (Alaska Airlines critical state routes)

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What Passengers Should Do

1. Check flight status via your airline's app or FlightAware before leaving for the airport.
2. Arrive early — check-in lines and security queues are significantly longer during disruption events.
3. Request rebooking if your flight is delayed more than 3 hours — most major carriers will rebook on the next available service at no charge.

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