Flight OO4912
SkyWest Airlines flight OO4912
Looking for OO4912 in the air…
Aspen (ASE) to Dallas-Fort Worth (DFW)
Historically, this flight arrives 15+ minutes late 25% of the time, and when it is late the delay averages 76 minutes. It was cancelled 6.8% of the time.
- On-time arrivals
- 75.0%
- Less than 15 minutes late
- Cancelled
- 6.8%
- Of scheduled flights
- Average delay when late
- 76 min
- Flights arriving 15+ minutes late
- Flights tracked
- 74
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 38%
- Airline (crew, maintenance, cleaning) 26%
- Air traffic control & airport 18%
- Extreme weather 17%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Dallas-Fort Worth (DFW) to Aspen (ASE)
Historically, this flight arrives 15+ minutes late 19% of the time, and when it is late the delay averages 69 minutes. It was cancelled 1.4% of the time.
- On-time arrivals
- 80.9%
- Less than 15 minutes late
- Cancelled
- 1.4%
- Of scheduled flights
- Average delay when late
- 69 min
- Flights arriving 15+ minutes late
- Flights tracked
- 74
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 40%
- Air traffic control & airport 33%
- Extreme weather 16%
- Late-arriving aircraft 11%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Phoenix (PHX) to Boise (BOI)
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
- 81.8%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 60 min
- Flights arriving 15+ minutes late
- Flights tracked
- 44
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 76%
- Late-arriving aircraft 24%
- Air traffic control & airport 1%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to Madison (MSN)
Historically, this flight arrives 15+ minutes late 56% of the time, and when it is late the delay averages 128 minutes. It was cancelled 5.6% of the time.
- On-time arrivals
- 44.1%
- Less than 15 minutes late
- Cancelled
- 5.6%
- Of scheduled flights
- Average delay when late
- 128 min
- Flights arriving 15+ minutes late
- Flights tracked
- 36
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 48%
- Extreme weather 26%
- Air traffic control & airport 13%
- Late-arriving aircraft 13%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Richmond (RIC) to Chicago (ORD)
Historically, this flight arrives 15+ minutes late 12% of the time, and when it is late the delay averages 72 minutes. It was cancelled 3.0% of the time.
- On-time arrivals
- 87.5%
- Less than 15 minutes late
- Cancelled
- 3.0%
- Of scheduled flights
- Average delay when late
- 72 min
- Flights arriving 15+ minutes late
- Flights tracked
- 33
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 87%
- Extreme weather 9%
- Air traffic control & airport 3%
- Late-arriving aircraft 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to Milwaukee (MKE)
Historically, this flight arrives 15+ minutes late 38% of the time, and when it is late the delay averages 65 minutes. It was cancelled 6.5% of the time.
- On-time arrivals
- 62.1%
- Less than 15 minutes late
- Cancelled
- 6.5%
- Of scheduled flights
- Average delay when late
- 65 min
- Flights arriving 15+ minutes late
- Flights tracked
- 31
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 58%
- Extreme weather 23%
- Air traffic control & airport 17%
- Late-arriving aircraft 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Phoenix (PHX) to Salt Lake City (SLC)
Historically, this flight arrives 15+ minutes late 3% of the time, and when it is late the delay averages 47 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 96.7%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 47 min
- Flights arriving 15+ minutes late
- Flights tracked
- 30
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 100%
- Airline (crew, maintenance, cleaning) 0%
- Air traffic control & airport 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Dallas-Fort Worth (DFW) to Wichita Falls (SPS)
Historically, this flight arrives 15+ minutes late 14% of the time, and when it is late the delay averages 129 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
- 129 min
- Flights arriving 15+ minutes late
- Flights tracked
- 29
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 72%
- Airline (crew, maintenance, cleaning) 16%
- Extreme weather 12%
- Late-arriving aircraft 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Wichita Falls (SPS) to Dallas-Fort Worth (DFW)
Historically, this flight arrives 15+ minutes late 21% of the time, and when it is late the delay averages 133 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 79.3%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 133 min
- Flights arriving 15+ minutes late
- Flights tracked
- 29
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 51%
- Airline (crew, maintenance, cleaning) 38%
- Late-arriving aircraft 7%
- Extreme weather 4%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Birmingham (BHM) to Chicago (ORD)
Historically, this flight arrives 15+ minutes late 19% of the time, and when it is late the delay averages 71 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 80.8%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 71 min
- Flights arriving 15+ minutes late
- Flights tracked
- 26
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 78%
- Security 22%
- Late-arriving aircraft 0%
- Air traffic control & airport 0%
- Extreme weather 0%
Share of delay minutes airlines attributed to each cause (BTS).
Huntsville (HSV) to Chicago (ORD)
Historically, this flight arrives 15+ minutes late 43% of the time, and when it is late the delay averages 127 minutes. It was cancelled 8.7% of the time.
- On-time arrivals
- 57.1%
- Less than 15 minutes late
- Cancelled
- 8.7%
- Of scheduled flights
- Average delay when late
- 127 min
- Flights arriving 15+ minutes late
- Flights tracked
- 23
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 73%
- Airline (crew, maintenance, cleaning) 17%
- Air traffic control & airport 10%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to Fort Wayne (FWA)
Only 15 flights on record, which is too few for reliable odds.
- On-time arrivals
- 57.1%
- Less than 15 minutes late
- Cancelled
- 6.7%
- Of scheduled flights
- Average delay when late
- 81 min
- Flights arriving 15+ minutes late
- Flights tracked
- 15
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 48%
- Air traffic control & airport 35%
- Late-arriving aircraft 14%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to Cedar Rapids (CID)
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
Traverse City (TVC) 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 | 80.6% | 32 |
| October 2025 | 86.0% | 57 |
| November 2025 | 69.0% | 31 |
| December 2025 | 52.9% | 18 |
| January 2026 | 37.5% | 26 |
| February 2026 | 55.6% | 27 |
| March 2026 | 93.1% | 31 |
| April 2026 | 86.7% | 30 |
| May 2026 | 89.2% | 38 |
| June 2026 | 80.4% | 60 |
| July 2026 | 72.1% | 62 |
| August 2026 | 75.8% | 34 |
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