Flight OO4159
SkyWest Airlines flight OO4159
Looking for OO4159 in the air…
Detroit (DTW) to Appleton (ATW)
Historically, this flight arrives 15+ minutes late 29% of the time, and when it is late the delay averages 129 minutes. It was cancelled 2.4% of the time.
- On-time arrivals
- 71.2%
- Less than 15 minutes late
- Cancelled
- 2.4%
- Of scheduled flights
- Average delay when late
- 129 min
- Flights arriving 15+ minutes late
- Flights tracked
- 251
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 75%
- Air traffic control & airport 14%
- Extreme weather 11%
- Late-arriving aircraft 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Dec 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| December 2025 | 75.0% | 12 |
| January 2026 | 50.0% | 31 |
| February 2026 | 70.8% | 24 |
| March 2026 | 53.8% | 31 |
| April 2026 | 66.7% | 30 |
| May 2026 | 80.6% | 31 |
| June 2026 | 82.8% | 30 |
| July 2026 | 80.0% | 31 |
| August 2026 | 80.6% | 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