HLN → SLC

OO3901

OO3901 (SkyWest Airlines) flies Helena to Salt Lake City. Of 658 departures recorded from October 2024 to July 2026, 97.7% left on time, according to the US BTS.

Recorded departures by month

The most recent periods19 periods
PeriodDepartures 2025Departures 2026Change vs last year
January31310.0%
February28280.0%
March31310.0%
April30300.0%
May31310.0%
June30300.0%
July31310.0%
August31––
September30––
October31–in progress
November30––
December31––
Year to date (Jan–Jul)2122120.0%

according to the US BTS · October 2024 → July 2026

On-time departures by month

All legs combined

On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.

The most recent periods19 periods
PeriodOn time 2025On time 2026Change vs last year
January96.7%96.8%▲ 0.1%
February100.0%100.0%0.0%
March100.0%100.0%0.0%
April100.0%93.3%▼ 6.7%
May100.0%100.0%0.0%
June100.0%100.0%0.0%
July96.8%100.0%▲ 3.3%
August93.6%––
September96.7%––
October93.6%–in progress
November90.0%––
December100.0%––
Year-to-date average (Jan–Jul)99.1%98.6%▼ 0.5%

according to the US BTS · October 2024 → July 2026

Average departure delay by month

All legs combined

according to the US BTS · October 2024 → July 2026

Cancelled departures by month

All legs combined
The most recent periods19 periods
PeriodCancelled 2025Cancelled 2026Change vs last year
January10▼ 100.0%
February00–
March00–
April00–
May00–
June00–
July00–
August0––
September0––
October0–in progress
November0––
December0––
Year to date (Jan–Jul)10▼ 100.0%

according to the US BTS · October 2024 → July 2026

This is not a forecast

This is a historical record of departures already flown, not a forecast for your flight.

Cancellation share

  • Not cancelled 99.8% 657
  • Cancelled 0.2% 1

Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026

Legs flown under this number

1
RoutesDistance (km)Avg delay On timeDepartures
HLN SLC Helena Regional Airport – Salt Lake City International Airport 647 -3.4 min 97.7% 658
Monthly figures
PeriodDepartures With departure delay recordedOn time Cancelled
October 2024 20 20 100.0% 0
November 2024 30 30 100.0% 0
December 2024 31 31 93.6% 0
January 2025 31 30 96.7% 1
February 2025 28 28 100.0% 0
March 2025 31 31 100.0% 0
April 2025 30 30 100.0% 0
May 2025 31 31 100.0% 0
June 2025 30 30 100.0% 0
July 2025 31 31 96.8% 0
August 2025 31 31 93.6% 0
September 2025 30 30 96.7% 0
October 2025 31 31 93.6% 0
November 2025 30 30 90.0% 0
December 2025 31 31 100.0% 0
January 2026 31 31 96.8% 0
February 2026 28 28 100.0% 0
March 2026 31 31 100.0% 0
April 2026 30 30 93.3% 0
May 2026 31 31 100.0% 0
June 2026 30 30 100.0% 0
July 2026 31 31 100.0% 0

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