Flight OO4038
SkyWest Airlines flight OO4038
Looking for OO4038 in the air…
Billings (BIL) to Salt Lake City (SLC)
Historically, this flight arrives 15+ minutes late 6% of the time, and when it is late the delay averages 77 minutes. It was cancelled 0.4% of the time.
- On-time arrivals
- 94.1%
- Less than 15 minutes late
- Cancelled
- 0.4%
- Of scheduled flights
- Average delay when late
- 77 min
- Flights arriving 15+ minutes late
- Flights tracked
- 255
- Scheduled flights in the period
What caused the delays
- Extreme weather 66%
- Airline (crew, maintenance, cleaning) 25%
- Air traffic control & airport 9%
- Late-arriving aircraft 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Salt Lake City (SLC) to Billings (BIL)
Historically, this flight arrives 15+ minutes late 5% of the time, and when it is late the delay averages 68 minutes. It was cancelled 0.4% of the time.
- On-time arrivals
- 94.9%
- Less than 15 minutes late
- Cancelled
- 0.4%
- Of scheduled flights
- Average delay when late
- 68 min
- Flights arriving 15+ minutes late
- Flights tracked
- 255
- Scheduled flights in the period
What caused the delays
- Extreme weather 43%
- Airline (crew, maintenance, cleaning) 38%
- Air traffic control & airport 19%
- Late-arriving aircraft 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Detroit (DTW) to Dulles (IAD)
Historically, this flight arrives 15+ minutes late 2% of the time, and when it is late the delay averages 49 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 97.5%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 49 min
- Flights arriving 15+ minutes late
- Flights tracked
- 40
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 100%
- Late-arriving aircraft 0%
- Air traffic control & airport 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Dulles (IAD) to Detroit (DTW)
Historically, this flight arrives 15+ minutes late 2% of the time, and when it is late the delay averages 30 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 97.5%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 30 min
- Flights arriving 15+ minutes late
- Flights tracked
- 40
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 76%
- Air traffic control & airport 24%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 100.0% | 34 |
| October 2025 | 95.7% | 46 |
| December 2025 | 95.8% | 24 |
| January 2026 | 96.8% | 62 |
| February 2026 | 87.5% | 56 |
| March 2026 | 96.7% | 62 |
| April 2026 | 98.3% | 60 |
| May 2026 | 95.2% | 62 |
| June 2026 | 91.7% | 60 |
| July 2026 | 95.1% | 62 |
| August 2026 | 93.5% | 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