St George Regional in May 2026

86.1%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 May 2026, reporting carriers scheduled 416 domestic departures from St George Regional (SGU). 86.1% left less than 15 minutes late and 81.5% reached their destination on time; 0.0% were cancelled.

Nationally that month, 77.1% of flights departed on time and 77.6% arrived on time, so SGU departures were 9.0 points above the national departure figure.

A year earlier, in May 2025, the airport had 423 departures with 87.0% leaving on time: a change of −0.9 points, with flights down 2%.

Flights arriving at SGU that month were on time 82.2% of the time (416 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 67%, national aviation system 13% and late-arriving aircraft 11%.

On time 81.5%
Arrived 15+ minutes late 18.0%
Cancelled 0.0%
Diverted 0.5%

Every scheduled departure from SGU in May 2026, judged by arrival at the destination.

May 2026 against a year earlier, the airport's year and the nation

Measure	May 2026	May 2025	SGU, 12 months to Jul 2026	All reported flights, May 2026
Departed on time	86.1%	87.0%	87.6%	77.1%
Arrived on time	81.5%	84.4%	85.4%	77.6%
Cancelled	0.0%	0.0%	0.2%	0.9%
Average departure delay (late minutes only)	17.4 min	12.5 min	12.5 min	16.0 min
Scheduled departures a day	14	14	13	20,391
Scheduled departures	416	423	4,709	611,735

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	416	100%	81.5%	9.5 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SGU–SLC	St. George to Salt Lake City	163	93.3%	-4.6 min	0.0%
SGU–DEN	St. George to Denver	93	64.5%	33.7 min	0.0%
SGU–PHX	St. George to Phoenix	83	80.7%	10.6 min	0.0%
SGU–DFW	St. George to Dallas/Fort Worth	57	82.5%	8.8 min	0.0%
SGU–LAX	St. George to Los Angeles	18	66.7%	9.1 min	0.0%
SGU–ORD	St. George to Chicago	2	50.0%	18.5 min	0.0%

By scheduled departure hour

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

Share of departures that left less than 15 minutes late, by scheduled hour (local time), May 2026.

Delay causes

BTS cause category	Share of delay minutes	National, May 2026	Minutes
Air carrier	66.8%	33.0%	5,073
Late-arriving aircraft	10.7%	40.4%	814
National Aviation System	12.9%	20.5%	979
Extreme weather	9.5%	6.0%	724
Security	0.0%	0.1%	0

7,590 delay minutes on 75 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 May 2026?

86.1% of 416 scheduled domestic departures left less than 15 minutes late, and 81.5% reached their destination on time. The national figures that month were 77.1% and 77.6%.

How does that compare with a year earlier?

In May 2025, 87.0% of 423 departures left on time and 0.0% were cancelled, against 86.1% and 0.0% in May 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for May 2026; 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.