SkyWest Airlines in August 2025

78.1%arrived on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In August 2025, SkyWest Airlines (OO) reported 74,150 scheduled domestic flights. 78.1% arrived on time, 1.0% were cancelled and 0.4% diverted.

All reporting carriers together recorded 76.3% on time and 1.1% cancelled that month, so the carrier was 1.8 points above the combined figure.

A year earlier, in August 2024, it reported 65,390 flights with 79.1% on time: a change of −1.0 points.

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 48%, late-arriving aircraft 21% and national aviation system 17%.

On time 78.1%
Arrived 15+ minutes late 20.5%
Cancelled 1.0%
Diverted 0.4%

Every scheduled domestic flight reported by SkyWest Airlines in August 2025.

August 2025 against a year earlier, the carrier's year and all carriers

Measure	Aug 2025	Aug 2024	OO, 12 months to Jul 2026	All carriers, Aug 2025
Arrived on time	78.1%	79.1%	77.4%	76.3%
Departed on time	80.4%	81.6%	79.5%	76.8%
Cancelled	1.0%	0.4%	1.8%	1.1%
Average arrival delay	9.5 min	8.8 min	9.6 min	9.2 min
Scheduled flights a day	2,472	2,180	2,340	20,079
Scheduled flights	74,150	65,390	854,130	602,378

246 airports and 1,265 routes had OO flights that month.

Busiest airports that month

Airport	Departures	On time	Avg arrival delay	Cancelled
DEN Denver	6,751	70.1%	17.7 min	1.0%
ORD Chicago	6,574	69.7%	16.3 min	3.5%
LAX Los Angeles	3,465	86.2%	0.7 min	0.1%
SLC Salt Lake City	3,122	92.4%	-4.4 min	0.0%
SFO San Francisco	2,758	82.3%	4.5 min	0.2%
SEA Seattle	2,757	86.2%	0.1 min	0.0%
DTW Detroit	2,386	79.1%	9.7 min	0.3%
DFW Dallas/Fort Worth	2,201	73.1%	11.5 min	2.2%
MSP Minneapolis	2,176	83.4%	5.6 min	0.1%
PHX Phoenix	1,760	85.8%	0.9 min	0.1%
SAN San Diego	1,284	79.9%	3.1 min	0.4%
IAH Houston	1,260	74.5%	10.4 min	0.1%
PDX Portland	975	83.7%	3.0 min	0.2%
BOI Boise	918	86.6%	-1.6 min	0.0%
SMF Sacramento	875	83.7%	2.4 min	0.0%

By scheduled departure hour

On-time share:under 62%6270768288% and over

Share of OO flights that arrived on time, by scheduled departure hour (local time at each origin), August 2025.

Delay causes

BTS cause category	Share of delay minutes	All carriers, Aug 2025	Minutes
Air carrier	47.8%	33.1%	589,077
Late-arriving aircraft	21.0%	40.5%	259,054
National Aviation System	16.8%	19.2%	207,339
Extreme weather	14.2%	7.0%	175,368
Security	0.1%	0.1%	1,395

1,232,233 delay minutes on 15,218 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

What share of SkyWest Airlines flights were on time in August 2025?

78.1% of 74,150 scheduled domestic flights arrived less than 15 minutes late; all reporting carriers together recorded 76.3% that month.

How does that compare with a year earlier?

In August 2024 the carrier reported 65,390 flights with 79.1% on time and 0.4% cancelled, against 78.1% and 1.0% in August 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for August 2025; public domain. Domestic scheduled flights, totals and averages only. The site's data runs through July 2026. Full record for SkyWest Airlines · methodology · corrections.