Flight OO4135
SkyWest Airlines flight OO4135
Looking for OO4135 in the air…
Salt Lake City (SLC) to Eugene (EUG)
Historically, this flight arrives 15+ minutes late 8% of the time, and when it is late the delay averages 73 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 91.5%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 73 min
- Flights arriving 15+ minutes late
- Flights tracked
- 365
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 90%
- Air traffic control & airport 5%
- Extreme weather 5%
- Late-arriving aircraft 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Eugene (EUG) to Salt Lake City (SLC)
Historically, this flight arrives 15+ minutes late 7% of the time, and when it is late the delay averages 69 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 93.1%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 69 min
- Flights arriving 15+ minutes late
- Flights tracked
- 248
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 51%
- Extreme weather 42%
- Air traffic control & airport 7%
- 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 | 98.3% | 60 |
| October 2025 | 91.9% | 62 |
| November 2025 | 100.0% | 60 |
| December 2025 | 91.9% | 62 |
| January 2026 | 88.7% | 62 |
| February 2026 | 85.7% | 56 |
| March 2026 | 93.5% | 62 |
| April 2026 | 90.0% | 60 |
| May 2026 | 86.5% | 37 |
| June 2026 | 93.3% | 30 |
| July 2026 | 96.8% | 31 |
| August 2026 | 87.1% | 31 |
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