Helena Regional in November 2025

85.8%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 November 2025, reporting carriers scheduled 127 domestic departures from Helena Regional (HLN). 85.8% left less than 15 minutes late and 85.8% reached their destination on time; 2.4% were cancelled.

Nationally that month, 78.1% of flights departed on time and 77.3% arrived on time, so HLN departures were 7.7 points above the national departure figure.

A year earlier, in November 2024, the airport had 118 departures with 88.1% leaving on time: a change of −2.3 points, with flights up 8%.

Flights arriving at HLN that month were on time 88.2% of the time (127 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 74%, extreme weather 11% and national aviation system 9%.

On time 85.8%
Arrived 15+ minutes late 11.8%
Cancelled 2.4%
Diverted 0.0%

Every scheduled departure from HLN in November 2025, judged by arrival at the destination.

November 2025 against a year earlier, the airport's year and the nation

Measure	Nov 2025	Nov 2024	HLN, 12 months to Jul 2026	All reported flights, Nov 2025
Departed on time	85.8%	88.1%	89.3%	78.1%
Arrived on time	85.8%	84.7%	87.5%	77.3%
Cancelled	2.4%	0.8%	0.4%	2.5%
Average departure delay (late minutes only)	12.1 min	14.7 min	11.4 min	15.6 min
Scheduled departures a day	4	4	4	19,018
Scheduled departures	127	118	1,549	570,550

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	127	100%	85.8%	-0.8 min	2.4%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
HLN–DEN	Helena to Denver	59	84.7%	7.3 min	1.7%
HLN–SLC	Helena to Salt Lake City	59	89.8%	-13.1 min	3.4%
HLN–SEA	Helena to Seattle	9	66.7%	25.1 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), November 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Nov 2025	Minutes
Air carrier	73.8%	30.2%	1,129
Late-arriving aircraft	6.3%	38.3%	96
National Aviation System	8.5%	26.7%	130
Extreme weather	11.4%	4.6%	174
Security	0.0%	0.1%	0

1,529 delay minutes on 15 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 November 2025?

85.8% of 127 scheduled domestic departures left less than 15 minutes late, and 85.8% reached their destination on time. The national figures that month were 78.1% and 77.3%.

How does that compare with a year earlier?

In November 2024, 88.1% of 118 departures left on time and 0.8% were cancelled, against 85.8% and 2.4% in November 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for November 2025; 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.