Helena Regional (HLN) Delays and On-Time Departures
Helena, MT · ranked 7th of 333 airports for on-time departures
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, Helena (HLN) had 1,549 scheduled departures and 89.6% of them left on time (US average 77.4%).
That ranks 7th of 333 US airports tracked on this site, with 0.4% of departures cancelled.
Over 24 months, Saturday was the most reliable day (91% on time) and June the worst month (80%).
Best time of day to fly out of Helena (HLN)
On-time departure % by scheduled departure hour (local time), last 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 97.4% | 0.2% | 620 |
| 6am–7am | 91.9% | 0.6% | 832 |
| 7am–8am | Limited data | 8 | |
| 12pm–1pm | Limited data | 25 | |
| 1pm–2pm | 95.1% | 0.4% | 695 |
| 2pm–3pm | 75.2% | 0.7% | 727 |
| 4pm–5pm | 73.2% | 1.8% | 57 |
| 5pm–6pm | 55.3% | 1.9% | 155 |
| 7pm–8pm | 78.8% | 0.0% | 33 |
Airlines at HLN ranked by on-time departures
Last 12 months. Airlines with fewer than 30 departures are marked “limited data”.
| Airline | On-time departures | On-time arrivals | Cancelled | Departures |
|---|---|---|---|---|
| SkyWest Airlines | 89.6% | 88.2% | 0.4% | 1,549 |
80%+ good 70–79.9% fair <70% poor
Best day to fly out of HLN
On-time departures by day, 24 months.
Best month to fly out of HLN
On-time departures by month, 24 months.
Holiday travel at Helena (HLN)
On-time departures during holiday periods compared with all other days, last 24 months.
| Period | On-time departures | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 82.8% | -5.9 pts | 0.0% | 58 |
| Christmas & New Year (Dec 20 - Jan 3) | 89.3% | +0.6 pts | 0.0% | 112 |
| Summer peak (Jun 15 - Aug 15) | 82.5% | -6.1 pts | 0.9% | 555 |
| All other days | 88.7% | — | 0.5% | 2,427 |
Monthly on-time departure trend at HLN
On-time departure % each month, with the 12-month US average for reference.
Routes from Helena (HLN)
Every route from HLN with its own page, by number of flights (last 12 months, on-time arrivals).
| To | On time | Cancelled | Flights |
|---|---|---|---|
| HLN → Denver (DEN) | 82.2% | 0.5% | 814 |
| HLN → Salt Lake City (SLC) | 95.3% | 0.3% | 725 |