Friedman Memorial in July 2025

87.4%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 July 2025, reporting carriers scheduled 254 domestic departures from Friedman Memorial (SUN). 87.4% left less than 15 minutes late and 81.1% reached their destination on time; 0.0% were cancelled.

Nationally that month, 69.7% of flights departed on time and 69.0% arrived on time, so SUN departures were 17.7 points above the national departure figure.

A year earlier, in July 2024, the airport had 194 departures with 87.6% leaving on time: a change of −0.2 points, with flights up 31%.

Flights arriving at SUN that month were on time 88.2% of the time (254 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 39%, extreme weather 34% and national aviation system 21%.

On time 81.1%
Arrived 15+ minutes late 18.1%
Cancelled 0.0%
Diverted 0.8%

Every scheduled departure from SUN in July 2025, judged by arrival at the destination.

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

Measure	Jul 2025	Jul 2024	SUN, 12 months to Jul 2026	All reported flights, Jul 2025
Departed on time	87.4%	87.6%	84.7%	69.7%
Arrived on time	81.1%	86.6%	83.0%	69.0%
Cancelled	0.0%	0.5%	1.1%	2.5%
Average departure delay (late minutes only)	16.9 min	14.5 min	16.2 min	24.3 min
Scheduled departures a day	9	7	8	21,048
Scheduled departures	254	194	2,745	631,428

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	254	100%	81.1%	9.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SUN–SLC	Sun Valley/Hailey/Ketchum to Salt Lake City	93	93.5%	-6.4 min	0.0%
SUN–DEN	Sun Valley/Hailey/Ketchum to Denver	62	74.2%	28.4 min	0.0%
SUN–LAX	Sun Valley/Hailey/Ketchum to Los Angeles	52	94.2%	-10.5 min	0.0%
SUN–SFO	Sun Valley/Hailey/Ketchum to San Francisco	34	38.2%	39.2 min	0.0%
SUN–ORD	Sun Valley/Hailey/Ketchum to Chicago	13	84.6%	28.1 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), July 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jul 2025	Minutes
Air carrier	38.8%	31.1%	1,823
Late-arriving aircraft	5.9%	40.8%	278
National Aviation System	21.1%	20.7%	992
Extreme weather	34.1%	7.3%	1,602
Security	0.0%	0.1%	0

4,695 delay minutes on 46 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 July 2025?

87.4% of 254 scheduled domestic departures left less than 15 minutes late, and 81.1% reached their destination on time. The national figures that month were 69.7% and 69.0%.

How does that compare with a year earlier?

In July 2024, 87.6% of 194 departures left on time and 0.5% were cancelled, against 87.4% and 0.0% in July 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for July 2025; 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.