Flight OO3859
SkyWest Airlines flight OO3859
Looking for OO3859 in the air…
Great Falls (GTF) to Salt Lake City (SLC)
Historically, this flight arrives 15+ minutes late 8% of the time, and when it is late the delay averages 51 minutes. It was cancelled 1.4% of the time.
- On-time arrivals
- 91.9%
- Less than 15 minutes late
- Cancelled
- 1.4%
- Of scheduled flights
- Average delay when late
- 51 min
- Flights arriving 15+ minutes late
- Flights tracked
- 364
- Scheduled flights in the period
What caused the delays
- Extreme weather 50%
- Airline (crew, maintenance, cleaning) 45%
- Air traffic control & airport 6%
- Late-arriving aircraft 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Salt Lake City (SLC) to Great Falls (GTF)
Historically, this flight arrives 15+ minutes late 5% of the time, and when it is late the delay averages 81 minutes. It was cancelled 1.4% of the time.
- On-time arrivals
- 95.0%
- Less than 15 minutes late
- Cancelled
- 1.4%
- Of scheduled flights
- Average delay when late
- 81 min
- Flights arriving 15+ minutes late
- Flights tracked
- 364
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 75%
- Extreme weather 22%
- Air traffic control & airport 2%
- Late-arriving aircraft 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 96.7% | 60 |
| October 2025 | 98.4% | 62 |
| November 2025 | 96.0% | 58 |
| December 2025 | 93.5% | 62 |
| January 2026 | 93.5% | 62 |
| February 2026 | 87.5% | 56 |
| March 2026 | 90.0% | 62 |
| April 2026 | 95.0% | 60 |
| May 2026 | 95.2% | 62 |
| June 2026 | 96.7% | 60 |
| July 2026 | 91.9% | 62 |
| August 2026 | 87.1% | 62 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data