SkyWest Airlines in January 2025

77.3%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 January 2025, SkyWest Airlines (OO) reported 65,036 scheduled domestic flights. 77.3% arrived on time, 2.1% were cancelled and 0.3% diverted.

All reporting carriers together recorded 78.6% on time and 3.0% cancelled that month, so the carrier was 1.3 points below the combined figure.

A year earlier, in January 2024, it reported 56,814 flights with 72.4% on time: a change of +4.9 points.

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 49%, late-arriving aircraft 21% and extreme weather 16%.

On time 77.3%
Arrived 15+ minutes late 20.4%
Cancelled 2.1%
Diverted 0.3%

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

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

Measure	Jan 2025	Jan 2024	OO, 12 months to Jul 2026	All carriers, Jan 2025
Arrived on time	77.3%	72.4%	77.4%	78.6%
Departed on time	79.6%	75.0%	79.5%	79.3%
Cancelled	2.1%	4.2%	1.8%	3.0%
Average arrival delay	7.9 min	15.2 min	9.6 min	3.8 min
Scheduled flights a day	2,168	1,894	2,340	17,992
Scheduled flights	65,036	56,814	854,130	539,747

239 airports and 1,231 routes had OO flights that month.

Busiest airports that month

Airport	Departures	On time	Avg arrival delay	Cancelled
DEN Denver	5,990	68.5%	14.7 min	1.5%
ORD Chicago	4,191	68.8%	15.8 min	2.4%
LAX Los Angeles	3,440	86.1%	-0.4 min	0.3%
SLC Salt Lake City	2,685	88.0%	-5.7 min	0.5%
SFO San Francisco	2,578	84.4%	-0.6 min	0.5%
DFW Dallas/Fort Worth	2,422	71.4%	10.2 min	6.7%
PHX Phoenix	2,409	88.5%	-2.9 min	0.4%
DTW Detroit	2,288	68.4%	19.2 min	1.0%
SEA Seattle	2,138	84.7%	-1.9 min	0.8%
MSP Minneapolis	1,991	80.8%	2.9 min	0.8%
SAN San Diego	1,129	73.1%	9.9 min	1.8%
ASE Aspen	1,025	62.9%	25.9 min	5.3%
BOI Boise	917	87.2%	-4.4 min	0.2%
IAH Houston	898	71.0%	17.3 min	7.9%
TUS Tucson	847	88.4%	-4.0 min	0.5%

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), January 2025.

Delay causes

BTS cause category	Share of delay minutes	All carriers, Jan 2025	Minutes
Air carrier	48.5%	36.2%	541,772
Late-arriving aircraft	21.1%	34.7%	235,074
National Aviation System	14.0%	19.9%	156,670
Extreme weather	16.3%	9.1%	181,519
Security	0.1%	0.2%	1,020

1,116,055 delay minutes on 13,261 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 January 2025?

77.3% of 65,036 scheduled domestic flights arrived less than 15 minutes late; all reporting carriers together recorded 78.6% that month.

How does that compare with a year earlier?

In January 2024 the carrier reported 56,814 flights with 72.4% on time and 4.2% cancelled, against 77.3% and 2.1% in January 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for January 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.