Friedman Memorial in January 2024

79.9%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 January 2024, reporting carriers scheduled 264 domestic departures from Friedman Memorial (SUN). 79.9% left less than 15 minutes late and 77.7% reached their destination on time; 1.9% were cancelled.

Nationally that month, 74.0% of flights departed on time and 72.9% arrived on time, so SUN departures were 5.9 points above the national departure figure.

Flights arriving at SUN that month were on time 77.3% of the time (264 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 36%, extreme weather 35% and late-arriving aircraft 17%.

On time 77.7%
Arrived 15+ minutes late 20.5%
Cancelled 1.9%
Diverted 0.0%

Every scheduled departure from SUN in January 2024, judged by arrival at the destination.

January 2024 against a year earlier, the airport's year and the nation

Measure	Jan 2024	Year earlier	SUN, 12 months to Jul 2026	All reported flights, Jan 2024
Departed on time	79.9%	—	84.7%	74.0%
Arrived on time	77.7%	—	83.0%	72.9%
Cancelled	1.9%	—	1.1%	3.7%
Average departure delay (late minutes only)	35.0 min	—	16.2 min	18.7 min
Scheduled departures a day	9	—	8	18,242
Scheduled departures	264	—	2,745	547,271

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	264	100%	77.7%	26.5 min	1.9%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SUN–SLC	Sun Valley/Hailey/Ketchum to Salt Lake City	93	82.8%	31.5 min	1.1%
SUN–DEN	Sun Valley/Hailey/Ketchum to Denver	62	80.6%	28.1 min	1.6%
SUN–LAX	Sun Valley/Hailey/Ketchum to Los Angeles	39	92.3%	-10.6 min	0.0%
SUN–SFO	Sun Valley/Hailey/Ketchum to San Francisco	39	69.2%	17.4 min	0.0%
SUN–ORD	Sun Valley/Hailey/Ketchum to Chicago	31	48.4%	71.1 min	9.7%

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), January 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Jan 2024	Minutes
Air carrier	35.6%	32.6%	3,305
Late-arriving aircraft	17.4%	39.0%	1,616
National Aviation System	11.5%	17.9%	1,067
Extreme weather	35.4%	10.3%	3,283
Security	0.0%	0.2%	0

9,271 delay minutes on 54 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 SUN on time in January 2024?

79.9% of 264 scheduled domestic departures left less than 15 minutes late, and 77.7% reached their destination on time. The national figures that month were 74.0% and 72.9%.

How does that compare with a year earlier?

January 2023 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

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