Friedman Memorial in October 2025

92.9%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 October 2025, reporting carriers scheduled 170 domestic departures from Friedman Memorial (SUN). 92.9% left less than 15 minutes late and 90.0% reached their destination on time; 0.0% were cancelled.

Nationally that month, 80.0% of flights departed on time and 79.1% arrived on time, so SUN departures were 12.9 points above the national departure figure.

A year earlier, in October 2024, the airport had 109 departures with 95.4% leaving on time: a change of −2.5 points, with flights up 56%.

Flights arriving at SUN that month were on time 89.3% of the time (169 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 50%, national aviation system 29% and extreme weather 20%.

On time 90.0%
Arrived 15+ minutes late 10.0%
Cancelled 0.0%
Diverted 0.0%

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

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

Measure	Oct 2025	Oct 2024	SUN, 12 months to Jul 2026	All reported flights, Oct 2025
Departed on time	92.9%	95.4%	84.7%	80.0%
Arrived on time	90.0%	96.3%	83.0%	79.1%
Cancelled	0.0%	0.0%	1.1%	0.5%
Average departure delay (late minutes only)	6.3 min	3.1 min	16.2 min	13.9 min
Scheduled departures a day	6	4	8	20,195
Scheduled departures	170	109	2,745	605,844

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	170	100%	90.0%	-4.3 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	92	94.6%	-9.8 min	0.0%
SUN–DEN	Sun Valley/Hailey/Ketchum to Denver	56	85.7%	1.1 min	0.0%
SUN–LAX	Sun Valley/Hailey/Ketchum to Los Angeles	11	90.9%	-11.2 min	0.0%
SUN–SFO	Sun Valley/Hailey/Ketchum to San Francisco	11	72.7%	20.0 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), October 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Oct 2025	Minutes
Air carrier	49.6%	34.0%	574
Late-arriving aircraft	1.6%	39.7%	19
National Aviation System	28.5%	22.9%	330
Extreme weather	20.3%	3.3%	235
Security	0.0%	0.1%	0

1,158 delay minutes on 17 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 October 2025?

92.9% of 170 scheduled domestic departures left less than 15 minutes late, and 90.0% reached their destination on time. The national figures that month were 80.0% and 79.1%.

How does that compare with a year earlier?

In October 2024, 95.4% of 109 departures left on time and 0.0% were cancelled, against 92.9% and 0.0% in October 2025.

Provenance

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