Flight OO4670
SkyWest Airlines flight OO4670
Looking for OO4670 in the air…
Duluth (DLH) to Chicago (ORD)
Historically, this flight arrives 15+ minutes late 23% of the time, and when it is late the delay averages 108 minutes. It was cancelled 3.5% of the time.
- On-time arrivals
- 77.1%
- Less than 15 minutes late
- Cancelled
- 3.5%
- Of scheduled flights
- Average delay when late
- 108 min
- Flights arriving 15+ minutes late
- Flights tracked
- 313
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 63%
- Extreme weather 15%
- Late-arriving aircraft 12%
- Air traffic control & airport 11%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to Louisville (SDF)
Historically, this flight arrives 15+ minutes late 18% of the time, and when it is late the delay averages 60 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 82.4%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 60 min
- Flights arriving 15+ minutes late
- Flights tracked
- 34
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 64%
- Late-arriving aircraft 21%
- Air traffic control & airport 15%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Appleton (ATW) to Chicago (ORD)
Historically, this flight arrives 15+ minutes late 52% of the time, and when it is late the delay averages 86 minutes. It was cancelled 3.1% of the time.
- On-time arrivals
- 48.4%
- Less than 15 minutes late
- Cancelled
- 3.1%
- Of scheduled flights
- Average delay when late
- 86 min
- Flights arriving 15+ minutes late
- Flights tracked
- 32
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 33%
- Extreme weather 28%
- Airline (crew, maintenance, cleaning) 22%
- Air traffic control & airport 18%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sioux Falls (FSD) to Chicago (ORD)
Only 1 flight 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
- 1
- Scheduled flights in the period
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 89.7% | 30 |
| October 2025 | 87.1% | 31 |
| November 2025 | 82.1% | 30 |
| December 2025 | 62.1% | 31 |
| January 2026 | 54.8% | 31 |
| February 2026 | 85.7% | 28 |
| March 2026 | 70.4% | 31 |
| April 2026 | 48.3% | 30 |
| May 2026 | 82.9% | 41 |
| June 2026 | 74.1% | 54 |
| July 2026 | 82.1% | 31 |
| August 2026 | 91.7% | 12 |
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