Delta Air Lines Seattle, WA (SEA) to Las Vegas, NV (LAS) reliability

Among 1,738 scheduled Delta Air Lines flights from SEA to LAS, 82.7% arrived on time, 9.8% arrived at least 30 minutes late, and 0.9% 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

82.7%arrived on time

9.8%30+ min late

0.9%cancelled

1,738scheduled flights

Based on July 2025–June 2026; on time means arrival less than 15 minutes late.

30+ minutes late9.8%

60+ minutes late4.5%

Cancelled0.9%

Average arrival+1.1 mincompleted flights

What did Delta Air Lines SEA to LAS record?

Delta Air Lines completed 99.0% of its scheduled reportable SEA to LAS flights in the observation window. 82.7% of all scheduled flights arrived less than 15 minutes late, while 4.5% arrived at least an hour late.

What were Delta Air Lines SEA to LAS disruption rates?

For Delta Air Lines SEA-to-LAS flights, 9.8% arrived at least 30 minutes late, 0.9% were cancelled, and 0.1% were diverted.

Compare all airlines on this route

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

The Delta Air Lines SEA-to-LAS cohort contained 1,738 scheduled flights; 1,721 completed, 15 were cancelled, and 2 were diverted.

Not a prediction.

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