SkyWest Airlines in December 2023

84.2%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 2023, SkyWest Airlines (OO) reported 55,996 scheduled domestic flights. 84.2% arrived on time, 0.8% were cancelled and 0.5% diverted.

All reporting carriers together recorded 83.8% on time and 0.4% cancelled that month, so the carrier was level with the combined figure.

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 38%, extreme weather 27% and late-arriving aircraft 19%.

On time 84.2%
Arrived 15+ minutes late 14.6%
Cancelled 0.8%
Diverted 0.5%

Every scheduled domestic flight reported by SkyWest Airlines in December 2023.

December 2023 against a year earlier, the carrier's year and all carriers

Measure	Dec 2023	Year earlier	OO, 12 months to Jul 2026	All carriers, Dec 2023
Arrived on time	84.2%	—	77.4%	83.8%
Departed on time	85.4%	—	79.5%	83.1%
Cancelled	0.8%	—	1.8%	0.4%
Average arrival delay	2.7 min	—	9.6 min	0.5 min
Scheduled flights a day	1,867	—	2,340	19,013
Scheduled flights	55,996	—	854,130	570,394

238 airports and 1,190 routes had OO flights that month.

Busiest airports that month

Airport	Departures	On time	Avg arrival delay	Cancelled
DEN Denver	4,112	83.3%	3.5 min	1.2%
ORD Chicago	4,108	81.0%	4.1 min	0.5%
LAX Los Angeles	3,018	84.8%	1.8 min	0.3%
SFO San Francisco	2,785	77.8%	11.3 min	0.5%
SLC Salt Lake City	2,700	88.7%	-2.1 min	0.2%
PHX Phoenix	2,332	88.0%	0.7 min	0.2%
MSP Minneapolis	1,950	86.8%	-7.0 min	1.2%
SEA Seattle	1,842	80.8%	9.7 min	2.2%
DFW Dallas/Fort Worth	1,803	87.1%	-1.3 min	0.5%
DTW Detroit	1,341	85.2%	1.5 min	0.4%
SAN San Diego	969	86.3%	-2.5 min	0.2%
IAH Houston	918	83.3%	2.6 min	0.1%
PDX Portland	854	86.1%	1.4 min	0.4%
ATL Atlanta	681	89.6%	1.1 min	0.1%
SMF Sacramento	666	89.0%	-2.9 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), December 2023.

Delay causes

BTS cause category	Share of delay minutes	All carriers, Dec 2023	Minutes
Air carrier	38.3%	37.1%	278,428
Late-arriving aircraft	18.8%	38.8%	136,491
National Aviation System	15.7%	17.6%	114,425
Extreme weather	27.1%	6.2%	196,705
Security	0.1%	0.3%	780

726,829 delay minutes on 8,160 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 2023?

84.2% of 55,996 scheduled domestic flights arrived less than 15 minutes late; all reporting carriers together recorded 83.8% that month.

How does that compare with a year earlier?

December 2022 is outside the 36 months on file, or the carrier did not report that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for December 2023; public domain. Domestic scheduled flights, totals and averages only. The site's data runs through July 2026. Full record for SkyWest Airlines · methodology · corrections.