Friedman Memorial in October 2023

96.3%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 2023, reporting carriers scheduled 109 domestic departures from Friedman Memorial (SUN). 96.3% left less than 15 minutes late and 96.3% reached their destination on time; 0.0% were cancelled.

Nationally that month, 83.8% of flights departed on time and 84.0% arrived on time, so SUN departures were 12.5 points above the national departure figure.

Flights arriving at SUN that month were on time 91.7% of the time (109 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 74% and extreme weather 26%.

On time 96.3%
Arrived 15+ minutes late 3.7%
Cancelled 0.0%
Diverted 0.0%

Every scheduled departure from SUN in October 2023, judged by arrival at the destination.

October 2023 against a year earlier, the airport's year and the nation

Measure	Oct 2023	Year earlier	SUN, 12 months to Jul 2026	All reported flights, Oct 2023
Departed on time	96.3%	—	84.7%	83.8%
Arrived on time	96.3%	—	83.0%	84.0%
Cancelled	0.0%	—	1.1%	0.4%
Average departure delay (late minutes only)	2.9 min	—	16.2 min	11.0 min
Scheduled departures a day	4	—	8	19,966
Scheduled departures	109	—	2,745	598,968

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	109	100%	96.3%	-12.0 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	62	96.8%	-10.6 min	0.0%
SUN–DEN	Sun Valley/Hailey/Ketchum to Denver	31	96.8%	-12.3 min	0.0%
SUN–LAX	Sun Valley/Hailey/Ketchum to Los Angeles	8	87.5%	-14.0 min	0.0%
SUN–SFO	Sun Valley/Hailey/Ketchum to San Francisco	8	100.0%	-19.6 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), October 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Oct 2023	Minutes
Air carrier	73.6%	41.3%	204
Late-arriving aircraft	0.0%	40.5%	0
National Aviation System	0.0%	14.4%	0
Extreme weather	26.4%	3.7%	73
Security	0.0%	0.2%	0

277 delay minutes on 4 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 2023?

96.3% of 109 scheduled domestic departures left less than 15 minutes late, and 96.3% reached their destination on time. The national figures that month were 83.8% and 84.0%.

How does that compare with a year earlier?

October 2022 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 October 2023; 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.