SkyWest Airlines in December 2024

76.9%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 December 2024, SkyWest Airlines (OO) reported 66,601 scheduled domestic flights. 76.9% arrived on time, 1.3% were cancelled and 0.4% diverted.

All reporting carriers together recorded 78.1% on time and 0.7% cancelled that month, so the carrier was 1.2 points below the combined figure.

A year earlier, in December 2023, it reported 55,996 flights with 84.2% on time: a change of −7.3 points.

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 50%, extreme weather 20% and late-arriving aircraft 17%.

On time 76.9%
Arrived 15+ minutes late 21.4%
Cancelled 1.3%
Diverted 0.4%

Every scheduled domestic flight reported by SkyWest Airlines in December 2024.

December 2024 against a year earlier, the carrier's year and all carriers

Measure	Dec 2024	Dec 2023	OO, 12 months to Jul 2026	All carriers, Dec 2024
Arrived on time	76.9%	84.2%	77.4%	78.1%
Departed on time	78.8%	85.4%	79.5%	77.8%
Cancelled	1.3%	0.8%	1.8%	0.7%
Average arrival delay	10.1 min	2.7 min	9.6 min	7.1 min
Scheduled flights a day	2,220	1,867	2,340	19,686
Scheduled flights	66,601	55,996	854,130	590,581

237 airports and 1,243 routes had OO flights that month.

Busiest airports that month

Airport	Departures	On time	Avg arrival delay	Cancelled
DEN Denver	5,796	87.2%	-1.1 min	0.5%
ORD Chicago	4,143	68.1%	18.8 min	0.9%
LAX Los Angeles	3,464	77.7%	9.4 min	0.7%
SFO San Francisco	3,011	74.2%	11.1 min	1.6%
SLC Salt Lake City	2,780	86.0%	-2.7 min	0.4%
PHX Phoenix	2,544	79.9%	5.4 min	0.5%
DFW Dallas/Fort Worth	2,454	70.9%	13.8 min	3.7%
DTW Detroit	2,411	68.7%	18.2 min	1.1%
MSP Minneapolis	2,330	69.9%	20.5 min	1.9%
SEA Seattle	2,085	81.3%	2.5 min	1.3%
SAN San Diego	1,160	58.8%	23.2 min	4.1%
BOI Boise	1,003	79.3%	2.6 min	1.4%
IAH Houston	933	76.7%	13.3 min	2.0%
PDX Portland	900	83.9%	1.6 min	0.1%
TUS Tucson	858	83.1%	5.9 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), December 2024.

Delay causes

BTS cause category	Share of delay minutes	All carriers, Dec 2024	Minutes
Air carrier	50.3%	34.3%	615,888
Late-arriving aircraft	17.3%	40.2%	211,563
National Aviation System	12.5%	17.8%	152,979
Extreme weather	19.8%	7.5%	242,631
Security	0.1%	0.2%	1,453

1,224,514 delay minutes on 14,229 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 December 2024?

76.9% of 66,601 scheduled domestic flights arrived less than 15 minutes late; all reporting carriers together recorded 78.1% that month.

How does that compare with a year earlier?

In December 2023 the carrier reported 55,996 flights with 84.2% on time and 0.8% cancelled, against 76.9% and 1.3% in December 2024.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for December 2024; public domain. Domestic scheduled flights, totals and averages only. The site's data runs through July 2026. Full record for SkyWest Airlines · methodology · corrections.