SkyWest Airlines Johnstown, PA (JST) to Washington, DC (IAD) reliability

Among 338 scheduled SkyWest Airlines flights from JST to IAD, 72.5% arrived on time, 21.0% arrived at least 30 minutes late, and 3.3% were cancelled during July 2025–June 2026.

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

HISTORICAL ROUTE SIGNALVariable

72.5%arrived on time

21.0%30+ min late

3.3%cancelled

338scheduled flights

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

30+ minutes late21.0%

60+ minutes late17.8%

Cancelled3.3%

Average arrival+36.4 mincompleted flights

What did SkyWest Airlines JST to IAD record?

SkyWest Airlines completed 96.7% of its scheduled reportable JST to IAD flights in the observation window. 72.5% of all scheduled flights arrived less than 15 minutes late, while 17.8% arrived at least an hour late.

What were SkyWest Airlines JST to IAD disruption rates?

For SkyWest Airlines JST-to-IAD flights, 21.0% arrived at least 30 minutes late, 3.3% were cancelled, and 0.0% were diverted.

Compare all airlines on this route

What was the SkyWest Airlines JST to IAD scheduled cohort?

The SkyWest Airlines JST-to-IAD cohort contained 338 scheduled flights; 327 completed, 11 were cancelled, and 0 were diverted.

Not a prediction.

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