Helena Regional in August 2024

89.5%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 August 2024, reporting carriers scheduled 124 domestic departures from Helena Regional (HLN). 89.5% left less than 15 minutes late and 87.1% reached their destination on time; 0.0% were cancelled.

Nationally that month, 75.4% of flights departed on time and 74.7% arrived on time, so HLN departures were 14.1 points above the national departure figure.

A year earlier, in August 2023, the airport had 155 departures with 89.0% leaving on time: a change of +0.5 points, with flights down 20%.

Flights arriving at HLN that month were on time 84.7% of the time (124 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 70%, late-arriving aircraft 17% and national aviation system 11%.

On time 87.1%
Arrived 15+ minutes late 12.9%
Cancelled 0.0%
Diverted 0.0%

Every scheduled departure from HLN in August 2024, judged by arrival at the destination.

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

Measure	Aug 2024	Aug 2023	HLN, 12 months to Jul 2026	All reported flights, Aug 2024
Departed on time	89.5%	89.0%	89.3%	75.4%
Arrived on time	87.1%	83.2%	87.5%	74.7%
Cancelled	0.0%	0.0%	0.4%	2.1%
Average departure delay (late minutes only)	24.4 min	11.8 min	11.4 min	18.4 min
Scheduled departures a day	4	5	4	20,634
Scheduled departures	124	155	1,549	619,025

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	124	100%	87.1%	16.7 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
HLN–DEN	Helena to Denver	62	77.4%	41.7 min	0.0%
HLN–SLC	Helena to Salt Lake City	62	96.8%	-8.3 min	0.0%

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), August 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Aug 2024	Minutes
Air carrier	69.6%	33.8%	2,221
Late-arriving aircraft	17.1%	39.8%	544
National Aviation System	11.3%	20.4%	361
Extreme weather	2.0%	5.9%	63
Security	0.0%	0.1%	0

3,189 delay minutes on 16 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 HLN on time in August 2024?

89.5% of 124 scheduled domestic departures left less than 15 minutes late, and 87.1% reached their destination on time. The national figures that month were 75.4% and 74.7%.

How does that compare with a year earlier?

In August 2023, 89.0% of 155 departures left on time and 0.0% were cancelled, against 89.5% and 0.0% in August 2024.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for August 2024; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for HLN · methodology · corrections.