Friedman Memorial in March 2025

87.1%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 March 2025, reporting carriers scheduled 280 domestic departures from Friedman Memorial (SUN). 87.1% left less than 15 minutes late and 85.4% reached their destination on time; 0.0% were cancelled.

Nationally that month, 79.9% of flights departed on time and 79.3% arrived on time, so SUN departures were 7.2 points above the national departure figure.

A year earlier, in March 2024, the airport had 232 departures with 79.7% leaving on time: a change of +7.4 points, with flights up 21%.

Flights arriving at SUN that month were on time 88.4% of the time (277 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 52%, late-arriving aircraft 16% and extreme weather 16%.

On time 85.4%
Arrived 15+ minutes late 13.6%
Cancelled 0.0%
Diverted 1.1%

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

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

Measure	Mar 2025	Mar 2024	SUN, 12 months to Jul 2026	All reported flights, Mar 2025
Departed on time	87.1%	79.7%	84.7%	79.9%
Arrived on time	85.4%	76.7%	83.0%	79.3%
Cancelled	0.0%	3.4%	1.1%	1.2%
Average departure delay (late minutes only)	16.3 min	16.5 min	16.2 min	14.9 min
Scheduled departures a day	9	8	8	20,029
Scheduled departures	280	232	2,745	600,872

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	280	100%	85.4%	3.1 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	94.6%	-8.4 min	0.0%
SUN–DEN	Sun Valley/Hailey/Ketchum to Denver	61	88.5%	-13.2 min	0.0%
SUN–LAX	Sun Valley/Hailey/Ketchum to Los Angeles	44	93.2%	-9.0 min	0.0%
SUN–SFO	Sun Valley/Hailey/Ketchum to San Francisco	39	76.9%	11.6 min	0.0%
SUN–ORD	Sun Valley/Hailey/Ketchum to Chicago	29	55.2%	79.4 min	0.0%
SUN–SEA	Sun Valley/Hailey/Ketchum to Seattle	14	71.4%	17.6 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), March 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Mar 2025	Minutes
Air carrier	52.4%	33.0%	2,415
Late-arriving aircraft	16.2%	39.2%	746
National Aviation System	15.4%	21.9%	709
Extreme weather	16.1%	5.9%	741
Security	0.0%	0.1%	0

4,611 delay minutes on 38 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 March 2025?

87.1% of 280 scheduled domestic departures left less than 15 minutes late, and 85.4% reached their destination on time. The national figures that month were 79.9% and 79.3%.

How does that compare with a year earlier?

In March 2024, 79.7% of 232 departures left on time and 3.4% were cancelled, against 87.1% and 0.0% in March 2025.

Provenance

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