SkyWest Airlines in April 2026

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 April 2026, SkyWest Airlines (OO) reported 73,115 scheduled domestic flights. 78.1% arrived on time, 1.8% were cancelled and 0.3% diverted.

All reporting carriers together recorded 78.9% on time and 0.9% cancelled that month, so the carrier was 0.8 points below the combined figure.

A year earlier, in April 2025, it reported 69,319 flights with 81.3% on time: a change of −3.2 points.

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 45%, late-arriving aircraft 25% and national aviation system 17%.

On time 78.1%
Arrived 15+ minutes late 19.8%
Cancelled 1.8%
Diverted 0.3%

Every scheduled domestic flight reported by SkyWest Airlines in April 2026.

April 2026 against a year earlier, the carrier's year and all carriers

Measure	Apr 2026	Apr 2025	OO, 12 months to Jul 2026	All carriers, Apr 2026
Arrived on time	78.1%	81.3%	77.4%	78.9%
Departed on time	80.4%	83.9%	79.5%	79.1%
Cancelled	1.8%	1.0%	1.8%	0.9%
Average arrival delay	8.1 min	5.2 min	9.6 min	4.8 min
Scheduled flights a day	2,437	2,311	2,340	19,931
Scheduled flights	73,115	69,319	854,130	597,919

239 airports and 1,270 routes had OO flights that month.

Busiest airports that month

Airport	Departures	On time	Avg arrival delay	Cancelled
ORD Chicago	7,121	59.0%	25.1 min	6.1%
DEN Denver	6,093	84.1%	0.4 min	0.4%
LAX Los Angeles	3,202	87.5%	-1.4 min	0.3%
SLC Salt Lake City	3,093	87.1%	-1.2 min	0.2%
PHX Phoenix	2,929	82.9%	4.4 min	0.2%
MSP Minneapolis	2,697	81.3%	4.0 min	1.4%
DTW Detroit	2,586	77.8%	6.7 min	2.6%
SFO San Francisco	2,557	69.2%	12.7 min	1.7%
SEA Seattle	2,147	89.1%	-4.2 min	0.0%
DFW Dallas/Fort Worth	1,856	77.5%	8.3 min	1.7%
IAH Houston	1,228	74.9%	15.1 min	0.5%
SAN San Diego	1,204	83.1%	-0.1 min	0.2%
BOI Boise	925	84.8%	2.4 min	0.3%
PDX Portland	897	89.1%	2.0 min	0.3%
TUS Tucson	858	84.4%	-0.8 min	0.1%

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), April 2026.

Delay causes

BTS cause category	Share of delay minutes	All carriers, Apr 2026	Minutes
Air carrier	45.4%	33.5%	556,889
Late-arriving aircraft	25.1%	40.4%	308,266
National Aviation System	17.2%	21.0%	211,537
Extreme weather	12.2%	5.0%	150,147
Security	0.1%	0.1%	930

1,227,769 delay minutes on 14,452 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 April 2026?

78.1% of 73,115 scheduled domestic flights arrived less than 15 minutes late; all reporting carriers together recorded 78.9% that month.

How does that compare with a year earlier?

In April 2025 the carrier reported 69,319 flights with 81.3% on time and 1.0% cancelled, against 78.1% and 1.8% in April 2026.

Provenance

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