Friedman Memorial in March 2024

79.7%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 2024, reporting carriers scheduled 232 domestic departures from Friedman Memorial (SUN). 79.7% left less than 15 minutes late and 76.7% reached their destination on time; 3.4% were cancelled.

Nationally that month, 78.5% of flights departed on time and 78.3% arrived on time, so SUN departures were 1.2 points above the national departure figure.

Flights arriving at SUN that month were on time 82.8% of the time (232 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 31%, national aviation system 28% and extreme weather 20%.

On time 76.7%
Arrived 15+ minutes late 19.4%
Cancelled 3.4%
Diverted 0.4%

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

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

Measure	Mar 2024	Year earlier	SUN, 12 months to Jul 2026	All reported flights, Mar 2024
Departed on time	79.7%	—	84.7%	78.5%
Arrived on time	76.7%	—	83.0%	78.3%
Cancelled	3.4%	—	1.1%	0.9%
Average departure delay (late minutes only)	16.5 min	—	16.2 min	15.7 min
Scheduled departures a day	8	—	8	19,726
Scheduled departures	232	—	2,745	591,767

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	232	100%	76.7%	7.9 min	3.4%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
SUN–DEN	Sun Valley/Hailey/Ketchum to Denver	62	80.6%	8.4 min	6.5%
SUN–SLC	Sun Valley/Hailey/Ketchum to Salt Lake City	62	85.5%	9.2 min	1.6%
SUN–LAX	Sun Valley/Hailey/Ketchum to Los Angeles	39	92.3%	-8.2 min	2.6%
SUN–SFO	Sun Valley/Hailey/Ketchum to San Francisco	39	48.7%	22.7 min	2.6%
SUN–ORD	Sun Valley/Hailey/Ketchum to Chicago	30	66.7%	5.7 min	3.3%

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), March 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Mar 2024	Minutes
Air carrier	31.3%	32.1%	1,217
Late-arriving aircraft	20.1%	42.1%	782
National Aviation System	28.3%	21.4%	1,101
Extreme weather	20.3%	4.2%	789
Security	0.0%	0.2%	0

3,889 delay minutes on 45 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 2024?

79.7% of 232 scheduled domestic departures left less than 15 minutes late, and 76.7% reached their destination on time. The national figures that month were 78.5% and 78.3%.

How does that compare with a year earlier?

March 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 March 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.