Helena Regional Airport (HLN) delays & on-time performance
Helena, Montana · 3 nonstop destinations · 1 airlines · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at HLN right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
On-time arrivals
88%
arrived < 15 min late
Cancelled
0.4%
6 flights
Avg arrival delay
12 min
98 min when late
Departed on time
90%
avg taxi-out 20 min
Figures cover 1,549 departures from HLN; on-time is measured at arrival. Arrivals into HLN were on time 87% of the time.
Key facts
- Flights departing Helena Regional Airport (HLN) arrived on time 88% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.4% were cancelled, and 6% arrived an hour or more late.
- Departures scheduled around 5am did best (97% on time); around 5pm did worst (64%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (45%).
Most delayed routes from HLN
Lowest on-time arrival rates among regularly flown routes.
- DEN · Denver82%814 flts
- SLC · Salt Lake City95%725 flts
Most reliable routes from HLN
Highest on-time arrival rates among regularly flown routes.
- SLC · Salt Lake City95%725 flts
- DEN · Denver82%814 flts
Best airline at HLN
Departures from this airport, ranked by on-time arrival.
| Airline | On time | Cancelled | Avg delay | Routes | Flights |
|---|---|---|---|---|---|
| SkyWest Airlines | 88% | 0.4% | 12 min | 3 | 1,549 |
Best time to fly out of HLN
On-time arrival rate by scheduled departure hour (local time).
- 5am97%358 flts
- 6am90%365 flts
- 1pm95%335 flts
- 2pm79%363 flts
- 5pm64%86 flts
Monthly trend
Why departures were late
- Airline (crew, maintenance, cleaning, fueling)45%
- Air traffic control & airport congestion22%
- Late-arriving aircraft18%
- Extreme weather15%
- Security0%
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.