St George Regional in December 2025

92.4%departed 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 2025, reporting carriers scheduled 382 domestic departures from St George Regional (SGU). 92.4% left less than 15 minutes late and 89.8% reached their destination on time; 0.0% were cancelled.

Nationally that month, 72.0% of flights departed on time and 71.9% arrived on time, so SGU departures were 20.4 points above the national departure figure.

A year earlier, in December 2024, the airport had 313 departures with 89.8% leaving on time: a change of +2.6 points, with flights up 22%.

Flights arriving at SGU that month were on time 88.7% of the time (381 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 54%, late-arriving aircraft 32% and national aviation system 12%.

On time 89.8%
Arrived 15+ minutes late 10.2%
Cancelled 0.0%
Diverted 0.0%

Every scheduled departure from SGU in December 2025, judged by arrival at the destination.

December 2025 against a year earlier, the airport's year and the nation

Measure	Dec 2025	Dec 2024	SGU, 12 months to Jul 2026	All reported flights, Dec 2025
Departed on time	92.4%	89.8%	87.6%	72.0%
Arrived on time	89.8%	88.5%	85.4%	71.9%
Cancelled	0.0%	0.0%	0.2%	1.5%
Average departure delay (late minutes only)	8.1 min	13.2 min	12.5 min	21.2 min
Scheduled departures a day	13	10	13	19,410
Scheduled departures	382	313	4,709	582,304

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	382	100%	89.8%	-4.6 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SGU–SLC	St. George to Salt Lake City	120	95.8%	-12.7 min	0.0%
SGU–DEN	St. George to Denver	90	88.9%	0.4 min	0.0%
SGU–PHX	St. George to Phoenix	79	88.6%	3.7 min	0.0%
SGU–DFW	St. George to Dallas/Fort Worth	62	83.9%	-6.0 min	0.0%
SGU–LAX	St. George to Los Angeles	31	83.9%	-6.7 min	0.0%

By scheduled departure hour

100

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), December 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2025	Minutes
Air carrier	54.3%	33.3%	1,714
Late-arriving aircraft	31.8%	41.1%	1,004
National Aviation System	12.4%	19.1%	392
Extreme weather	1.4%	6.4%	45
Security	0.0%	0.2%	0

3,155 delay minutes on 39 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

How many flights left SGU on time in December 2025?

92.4% of 382 scheduled domestic departures left less than 15 minutes late, and 89.8% reached their destination on time. The national figures that month were 72.0% and 71.9%.

How does that compare with a year earlier?

In December 2024, 89.8% of 313 departures left on time and 0.0% were cancelled, against 92.4% and 0.0% in December 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for December 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for SGU · methodology · corrections.