Flight OO3978
SkyWest Airlines flight OO3978
Looking for OO3978 in the air…
Minneapolis (MSP) to Louisville (SDF)
Historically, this flight arrives 15+ minutes late 18% of the time, and when it is late the delay averages 57 minutes. It was cancelled 0.9% of the time.
- On-time arrivals
- 82.3%
- Less than 15 minutes late
- Cancelled
- 0.9%
- Of scheduled flights
- Average delay when late
- 57 min
- Flights arriving 15+ minutes late
- Flights tracked
- 114
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 85%
- Extreme weather 12%
- Air traffic control & airport 3%
- Late-arriving aircraft 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Louisville (SDF) to Minneapolis (MSP)
Historically, this flight arrives 15+ minutes late 25% of the time, and when it is late the delay averages 43 minutes. It was cancelled 0.9% of the time.
- On-time arrivals
- 75.2%
- Less than 15 minutes late
- Cancelled
- 0.9%
- Of scheduled flights
- Average delay when late
- 43 min
- Flights arriving 15+ minutes late
- Flights tracked
- 114
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 84%
- Extreme weather 12%
- Air traffic control & airport 4%
- Late-arriving aircraft 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
McAllen (MFE) to Austin (AUS)
Historically, this flight arrives 15+ minutes late 14% of the time, and when it is late the delay averages 91 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 86.2%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 91 min
- Flights arriving 15+ minutes late
- Flights tracked
- 29
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 80%
- Air traffic control & airport 11%
- Extreme weather 9%
- Late-arriving aircraft 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Boise (BOI) to Salt Lake City (SLC)
Only 16 flights on record, which is too few for reliable odds.
- On-time arrivals
- 80.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 59 min
- Flights arriving 15+ minutes late
- Flights tracked
- 16
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 70%
- Air traffic control & airport 17%
- Extreme weather 13%
- Late-arriving aircraft 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Salt Lake City (SLC) to Boise (BOI)
Only 16 flights on record, which is too few for reliable odds.
- On-time arrivals
- 100.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- —
- Flights arriving 15+ minutes late
- Flights tracked
- 16
- Scheduled flights in the period
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 100.0% | 20 |
| December 2025 | 91.7% | 24 |
| January 2026 | 70.4% | 28 |
| February 2026 | 81.2% | 16 |
| March 2026 | 80.8% | 28 |
| April 2026 | 76.1% | 46 |
| May 2026 | 80.0% | 60 |
| June 2026 | 73.7% | 38 |
| August 2026 | 86.2% | 29 |
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