Helena Regional in August 2023

89.0%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 2023, reporting carriers scheduled 155 domestic departures from Helena Regional (HLN). 89.0% left less than 15 minutes late and 83.2% reached their destination on time; 0.0% were cancelled.

Nationally that month, 76.7% of flights departed on time and 76.9% arrived on time, so HLN departures were 12.3 points above the national departure figure.

Flights arriving at HLN that month were on time 87.7% of the time (155 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 62%, late-arriving aircraft 25% and national aviation system 11%.

On time 83.2%
Arrived 15+ minutes late 15.5%
Cancelled 0.0%
Diverted 1.3%

Every scheduled departure from HLN in August 2023, judged by arrival at the destination.

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

Measure	Aug 2023	Year earlier	HLN, 12 months to Jul 2026	All reported flights, Aug 2023
Departed on time	89.0%	—	89.3%	76.7%
Arrived on time	83.2%	—	87.5%	76.9%
Cancelled	0.0%	—	0.4%	1.5%
Average departure delay (late minutes only)	11.8 min	—	11.4 min	17.3 min
Scheduled departures a day	5	—	4	20,100
Scheduled departures	155	—	1,549	602,987

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	155	100%	83.2%	9.7 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
HLN–DEN	Helena to Denver	62	62.9%	34.0 min	0.0%
HLN–SLC	Helena to Salt Lake City	62	100.0%	-9.1 min	0.0%
HLN–SEA	Helena to Seattle	31	90.3%	0.5 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), August 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Aug 2023	Minutes
Air carrier	61.8%	36.7%	1,356
Late-arriving aircraft	25.4%	42.2%	558
National Aviation System	11.0%	15.7%	241
Extreme weather	1.7%	5.1%	38
Security	0.0%	0.2%	0

2,193 delay minutes on 24 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 2023?

89.0% of 155 scheduled domestic departures left less than 15 minutes late, and 83.2% reached their destination on time. The national figures that month were 76.7% and 76.9%.

How does that compare with a year earlier?

August 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 August 2023; 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.