Helena Regional Airport (HLN): Delays & On-Time Performance
Data through May 2026
Helena Regional Airport (HLN) is a tale of two seasons: departures ran 98% on-time in May 2026 but sank to 72% in June 2025. Across the year it averages 88% against a national 78%, over roughly 4 departures a day to 3 destinations.
- Departures on-time
- 88%
- left <15 min late
- Avg dep delay
- 15 min
- Arrivals on-time
- 86%
- Cancelled
- 0.6%
- Destinations
- 3
- nonstop
- Airlines
- 1
Monthly on-time trend
Best time of day to depart from HLN
Busiest routes from HLN
| Route | Flights/12mo | On-time | Avg delay |
|---|---|---|---|
| HLN → DEN | 874 | 76% | 28 min |
| HLN → SLC | 725 | 96% | 4 min |
Frequently asked questions
- How often are flights delayed at HLN?
- 13% of departures from Helena Regional Airport left 15+ minutes late between 2024-06 and 2026-05, with an average departure delay of 15 minutes. The national on-time average over the same period was 78%.
- What is the best time of day to depart from HLN?
- Flights scheduled around 5 a.m. depart on time 97% of the time at HLN, versus 55% around 5 p.m.. Booking before noon is the usual rule of thumb here.
- What is the worst month for delays at HLN?
- In this dataset, June 2025 was the weakest month at HLN, with 72% of departures on time.
- How often are flights cancelled at HLN?
- 0.6% of scheduled departures from HLN were cancelled in this period, compared with a national rate of 1.6%.
Popular route pages from this airport
Based on 3,153 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.