SkyWest Airlines in September 2023

83.9%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 September 2023, SkyWest Airlines (OO) reported 59,245 scheduled domestic flights. 83.9% arrived on time, 0.4% were cancelled and 0.2% diverted.

All reporting carriers together recorded 80.1% on time and 1.2% cancelled that month, so the carrier was 3.8 points above the combined figure.

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 54%, late-arriving aircraft 28% and national aviation system 9%.

On time 83.9%
Arrived 15+ minutes late 15.6%
Cancelled 0.4%
Diverted 0.2%

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

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

Measure	Sep 2023	Year earlier	OO, 12 months to Jul 2026	All carriers, Sep 2023
Arrived on time	83.9%	—	77.4%	80.1%
Departed on time	85.5%	—	79.5%	80.5%
Cancelled	0.4%	—	1.8%	1.2%
Average arrival delay	4.0 min	—	9.6 min	5.4 min
Scheduled flights a day	1,975	—	2,340	18,978
Scheduled flights	59,245	—	854,130	569,338

247 airports and 1,216 routes had OO flights that month.

Busiest airports that month

Airport	Departures	On time	Avg arrival delay	Cancelled
ORD Chicago	5,006	71.1%	16.2 min	0.3%
DEN Denver	4,076	82.8%	3.6 min	0.2%
LAX Los Angeles	2,974	90.6%	-4.1 min	0.1%
SFO San Francisco	2,955	84.9%	2.7 min	0.1%
SLC Salt Lake City	2,678	93.1%	-4.3 min	0.0%
DFW Dallas/Fort Worth	2,395	78.5%	8.3 min	1.1%
SEA Seattle	2,248	85.9%	1.2 min	0.0%
MSP Minneapolis	2,108	89.1%	0.2 min	0.2%
DTW Detroit	1,675	84.8%	2.5 min	0.2%
PHX Phoenix	1,630	89.8%	-3.6 min	0.0%
IAH Houston	908	80.8%	7.8 min	0.4%
PDX Portland	818	86.4%	0.4 min	0.0%
SAN San Diego	815	86.4%	1.8 min	0.0%
BOI Boise	780	88.7%	-1.6 min	0.0%
ATL Atlanta	599	82.5%	10.8 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), September 2023.

Delay causes

BTS cause category	Share of delay minutes	All carriers, Sep 2023	Minutes
Air carrier	54.2%	36.4%	383,993
Late-arriving aircraft	28.4%	38.3%	201,606
National Aviation System	9.2%	19.9%	65,388
Extreme weather	7.9%	5.1%	56,067
Security	0.3%	0.2%	1,891

708,945 delay minutes on 9,227 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 September 2023?

83.9% of 59,245 scheduled domestic flights arrived less than 15 minutes late; all reporting carriers together recorded 80.1% that month.

How does that compare with a year earlier?

September 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 September 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.