Flight OO5021
SkyWest Airlines flight OO5021
Looking for OO5021 in the air…
Chicago (ORD) to Sioux City (SUX)
Historically, this flight arrives 15+ minutes late 37% of the time, and when it is late the delay averages 131 minutes. It was cancelled 4.6% of the time.
- On-time arrivals
- 62.9%
- Less than 15 minutes late
- Cancelled
- 4.6%
- Of scheduled flights
- Average delay when late
- 131 min
- Flights arriving 15+ minutes late
- Flights tracked
- 238
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 43%
- Late-arriving aircraft 33%
- Air traffic control & airport 21%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Denver (DEN) to Cody (COD)
Historically, this flight arrives 15+ minutes late 16% of the time, and when it is late the delay averages 72 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 83.6%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 72 min
- Flights arriving 15+ minutes late
- Flights tracked
- 68
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 52%
- Airline (crew, maintenance, cleaning) 43%
- Air traffic control & airport 5%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sioux City (SUX) to Chicago (ORD)
Historically, this flight arrives 15+ minutes late 26% of the time, and when it is late the delay averages 74 minutes. It was cancelled 5.4% of the time.
- On-time arrivals
- 73.6%
- Less than 15 minutes late
- Cancelled
- 5.4%
- Of scheduled flights
- Average delay when late
- 74 min
- Flights arriving 15+ minutes late
- Flights tracked
- 56
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 68%
- Airline (crew, maintenance, cleaning) 23%
- Late-arriving aircraft 7%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sioux City (SUX) to Denver (DEN)
Historically, this flight arrives 15+ minutes late 54% of the time, and when it is late the delay averages 77 minutes. It was cancelled 5.4% of the time.
- On-time arrivals
- 45.7%
- Less than 15 minutes late
- Cancelled
- 5.4%
- Of scheduled flights
- Average delay when late
- 77 min
- Flights arriving 15+ minutes late
- Flights tracked
- 37
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 45%
- Airline (crew, maintenance, cleaning) 26%
- Late-arriving aircraft 25%
- Extreme weather 4%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Rhinelander (RHI) to Chicago (ORD)
Only 7 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
- 7
- Scheduled flights in the period
Gillette (GCC) to Denver (DEN)
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 | 94.4% | 37 |
| October 2025 | 86.2% | 31 |
| November 2025 | 69.2% | 30 |
| December 2025 | 60.0% | 29 |
| January 2026 | 74.2% | 31 |
| February 2026 | 75.0% | 28 |
| March 2026 | 79.3% | 31 |
| April 2026 | 62.1% | 30 |
| May 2026 | 48.4% | 31 |
| June 2026 | 58.5% | 43 |
| July 2026 | 60.0% | 49 |
| August 2026 | 45.9% | 37 |
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