Friedman Memorial in June 2025

87.0%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 June 2025, reporting carriers scheduled 193 domestic departures from Friedman Memorial (SUN). 87.0% left less than 15 minutes late and 86.0% reached their destination on time; 0.0% were cancelled.

Nationally that month, 71.4% of flights departed on time and 70.3% arrived on time, so SUN departures were 15.6 points above the national departure figure.

A year earlier, in June 2024, the airport had 152 departures with 92.8% leaving on time: a change of −5.8 points, with flights up 27%.

Flights arriving at SUN that month were on time 84.0% of the time (194 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 68%, national aviation system 16% and late-arriving aircraft 11%.

On time 86.0%
Arrived 15+ minutes late 14.0%
Cancelled 0.0%
Diverted 0.0%

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

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

Measure	Jun 2025	Jun 2024	SUN, 12 months to Jul 2026	All reported flights, Jun 2025
Departed on time	87.0%	92.8%	84.7%	71.4%
Arrived on time	86.0%	90.8%	83.0%	70.3%
Cancelled	0.0%	0.0%	1.1%	1.6%
Average departure delay (late minutes only)	18.7 min	7.0 min	16.2 min	22.1 min
Scheduled departures a day	6	5	8	20,386
Scheduled departures	193	152	2,745	611,575

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	193	100%	86.0%	6.0 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	90	98.9%	-13.2 min	0.0%
SUN–DEN	Sun Valley/Hailey/Ketchum to Denver	60	70.0%	16.7 min	0.0%
SUN–LAX	Sun Valley/Hailey/Ketchum to Los Angeles	20	85.0%	58.9 min	0.0%
SUN–SFO	Sun Valley/Hailey/Ketchum to San Francisco	15	66.7%	21.4 min	0.0%
SUN–ORD	Sun Valley/Hailey/Ketchum to Chicago	8	100.0%	-17.7 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), June 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jun 2025	Minutes
Air carrier	68.2%	31.6%	2,366
Late-arriving aircraft	11.4%	40.6%	397
National Aviation System	15.5%	20.9%	539
Extreme weather	4.8%	6.9%	167
Security	0.0%	0.2%	0

3,469 delay minutes on 27 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 June 2025?

87.0% of 193 scheduled domestic departures left less than 15 minutes late, and 86.0% reached their destination on time. The national figures that month were 71.4% and 70.3%.

How does that compare with a year earlier?

In June 2024, 92.8% of 152 departures left on time and 0.0% were cancelled, against 87.0% and 0.0% in June 2025.

Provenance

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