BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
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AIRLINE × ROUTE REPORT
SEA→EWR

Alaska Airlines Seattle, WA (SEA) to Newark, NJ (EWR) reliability

Among 1,238 scheduled Alaska Airlines flights from SEA to EWR, 78.7% arrived on time, 11.1% arrived at least 30 minutes late, and 2.3% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Marketing carrier: Alaska Airlines (AS) · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
78.7%arrived on time
11.1%30+ min late
2.3%cancelled
1,238scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late11.1%
60+ minutes late6.0%
Cancelled2.3%
Average arrival-4.8 mincompleted flights

What did Alaska Airlines SEA to EWR record?

Alaska Airlines completed 97.2% of its scheduled reportable SEA to EWR flights in the observation window. 78.7% of all scheduled flights arrived less than 15 minutes late, while 6.0% arrived at least an hour late.

What were Alaska Airlines SEA to EWR disruption rates?

For Alaska Airlines SEA-to-EWR flights, 11.1% arrived at least 30 minutes late, 2.3% were cancelled, and 0.6% were diverted.

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What was the Alaska Airlines SEA to EWR scheduled cohort?

The Alaska Airlines SEA-to-EWR cohort contained 1,238 scheduled flights; 1,203 completed, 28 were cancelled, and 7 were diverted.

Not a prediction.

This is a descriptive historical rate. Schedule changes, seasonal operations and current conditions may differ.