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

Delta Air Lines Los Angeles, CA (LAX) to Seattle, WA (SEA) reliability

Among 2,224 scheduled Delta Air Lines flights from LAX to SEA, 86.0% arrived on time, 8.9% arrived at least 30 minutes late, and 0.8% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Marketing carrier: Delta Air Lines (DL) · Updated September 16, 2026

HISTORICAL ROUTE SIGNALLower disruption
86.0%arrived on time
8.9%30+ min late
0.8%cancelled
2,224scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
30+ minutes late8.9%
60+ minutes late5.2%
Cancelled0.8%
Average arrival-4.4 mincompleted flights

What did Delta Air Lines LAX to SEA record?

Delta Air Lines completed 99.1% of its scheduled reportable LAX to SEA flights in the observation window. 86.0% of all scheduled flights arrived less than 15 minutes late, while 5.2% arrived at least an hour late.

What were Delta Air Lines LAX to SEA disruption rates?

For Delta Air Lines LAX-to-SEA flights, 8.9% arrived at least 30 minutes late, 0.8% were cancelled, and 0.2% were diverted.

Compare all airlines on this route

What was the Delta Air Lines LAX to SEA scheduled cohort?

The Delta Air Lines LAX-to-SEA cohort contained 2,224 scheduled flights; 2,203 completed, 17 were cancelled, and 4 were diverted.

Not a prediction.

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