Helena Regional in July 2026

87.0%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 July 2026, reporting carriers scheduled 123 domestic departures from Helena Regional (HLN). 87.0% left less than 15 minutes late and 86.2% reached their destination on time; 0.0% were cancelled.

Nationally that month, 68.8% of flights departed on time and 69.4% arrived on time, so HLN departures were 18.2 points above the national departure figure.

A year earlier, in July 2025, the airport had 153 departures with 77.8% leaving on time: a change of +9.2 points, with flights down 20%.

Flights arriving at HLN that month were on time 78.0% of the time (123 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, extreme weather 51%, air carrier 27% and late-arriving aircraft 19%.

On time 86.2%
Arrived 15+ minutes late 13.0%
Cancelled 0.0%
Diverted 0.8%

Every scheduled departure from HLN in July 2026, judged by arrival at the destination.

July 2026 against a year earlier, the airport's year and the nation

Measure	Jul 2026	Jul 2025	HLN, 12 months to Jul 2026	All reported flights, Jul 2026
Departed on time	87.0%	77.8%	89.3%	68.8%
Arrived on time	86.2%	68.0%	87.5%	69.4%
Cancelled	0.0%	1.3%	0.4%	2.6%
Average departure delay (late minutes only)	12.7 min	25.9 min	11.4 min	24.1 min
Scheduled departures a day	4	5	4	21,066
Scheduled departures	123	153	1,549	631,970

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	123	100%	86.2%	0.3 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
HLN–SLC	Helena to Salt Lake City	62	90.3%	-5.8 min	0.0%
HLN–DEN	Helena to Denver	61	82.0%	6.7 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), July 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Jul 2026	Minutes
Air carrier	26.7%	31.7%	378
Late-arriving aircraft	18.6%	41.8%	264
National Aviation System	4.2%	19.9%	59
Extreme weather	50.5%	6.5%	715
Security	0.0%	0.1%	0

1,416 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 July 2026?

87.0% of 123 scheduled domestic departures left less than 15 minutes late, and 86.2% reached their destination on time. The national figures that month were 68.8% and 69.4%.

How does that compare with a year earlier?

In July 2025, 77.8% of 153 departures left on time and 1.3% were cancelled, against 87.0% and 0.0% in July 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for July 2026; 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.