Flight OO5121
SkyWest Airlines flight OO5121
Looking for OO5121 in the air…
Eau Claire (EAU) to Chicago (ORD)
Historically, this flight arrives 15+ minutes late 20% of the time, and when it is late the delay averages 146 minutes. It was cancelled 4.2% of the time.
- On-time arrivals
- 80.1%
- Less than 15 minutes late
- Cancelled
- 4.2%
- Of scheduled flights
- Average delay when late
- 146 min
- Flights arriving 15+ minutes late
- Flights tracked
- 357
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 62%
- Late-arriving aircraft 20%
- Extreme weather 11%
- Air traffic control & airport 7%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to Decatur (DEC)
Historically, this flight arrives 15+ minutes late 23% of the time, and when it is late the delay averages 56 minutes. It was cancelled 1.0% of the time.
- On-time arrivals
- 76.6%
- Less than 15 minutes late
- Cancelled
- 1.0%
- Of scheduled flights
- Average delay when late
- 56 min
- Flights arriving 15+ minutes late
- Flights tracked
- 96
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 43%
- Late-arriving aircraft 41%
- Air traffic control & airport 16%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to Fort Dodge (FOD)
Historically, this flight arrives 15+ minutes late 22% of the time, and when it is late the delay averages 77 minutes. It was cancelled 5.2% of the time.
- On-time arrivals
- 77.8%
- Less than 15 minutes late
- Cancelled
- 5.2%
- Of scheduled flights
- Average delay when late
- 77 min
- Flights arriving 15+ minutes late
- Flights tracked
- 77
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 47%
- Air traffic control & airport 37%
- Late-arriving aircraft 11%
- Extreme weather 6%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to Mason City (MCW)
Only 17 flights on record, which is too few for reliable odds.
- On-time arrivals
- 93.8%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 80 min
- Flights arriving 15+ minutes late
- Flights tracked
- 17
- Scheduled flights in the period
What caused the delays
- Extreme weather 66%
- Air traffic control & airport 34%
- Airline (crew, maintenance, cleaning) 0%
- Late-arriving aircraft 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 92.0% | 51 |
| October 2025 | 87.0% | 54 |
| November 2025 | 89.4% | 51 |
| December 2025 | 64.1% | 43 |
| January 2026 | 65.2% | 48 |
| February 2026 | 73.5% | 34 |
| March 2026 | 68.3% | 50 |
| April 2026 | 72.3% | 51 |
| May 2026 | 89.7% | 39 |
| June 2026 | 76.5% | 34 |
| July 2026 | 85.2% | 54 |
| August 2026 | 84.2% | 38 |
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