Flight OO4970
SkyWest Airlines flight OO4970
Looking for OO4970 in the air…
Dallas-Fort Worth (DFW) to Midland (MAF)
Historically, this flight arrives 15+ minutes late 25% of the time, and when it is late the delay averages 165 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 75.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 165 min
- Flights arriving 15+ minutes late
- Flights tracked
- 44
- Scheduled flights in the period
What caused the delays
- Extreme weather 42%
- Airline (crew, maintenance, cleaning) 40%
- Late-arriving aircraft 13%
- Air traffic control & airport 4%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to Knoxville/Maryville (TYS)
Historically, this flight arrives 15+ minutes late 36% of the time, and when it is late the delay averages 79 minutes. It was cancelled 7.4% of the time.
- On-time arrivals
- 64.0%
- Less than 15 minutes late
- Cancelled
- 7.4%
- Of scheduled flights
- Average delay when late
- 79 min
- Flights arriving 15+ minutes late
- Flights tracked
- 27
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 45%
- Late-arriving aircraft 45%
- Air traffic control & airport 10%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Knoxville/Maryville (TYS) to Chicago (ORD)
Historically, this flight arrives 15+ minutes late 50% of the time, and when it is late the delay averages 99 minutes. It was cancelled 11.1% of the time.
- On-time arrivals
- 50.0%
- Less than 15 minutes late
- Cancelled
- 11.1%
- Of scheduled flights
- Average delay when late
- 99 min
- Flights arriving 15+ minutes late
- Flights tracked
- 27
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 41%
- Airline (crew, maintenance, cleaning) 27%
- Late-arriving aircraft 24%
- Extreme weather 8%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Little Rock (LIT) to Chicago (ORD)
Historically, this flight arrives 15+ minutes late 46% of the time, and when it is late the delay averages 88 minutes. It was cancelled 3.8% of the time.
- On-time arrivals
- 54.2%
- Less than 15 minutes late
- Cancelled
- 3.8%
- Of scheduled flights
- Average delay when late
- 88 min
- Flights arriving 15+ minutes late
- Flights tracked
- 26
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 41%
- Air traffic control & airport 26%
- Airline (crew, maintenance, cleaning) 18%
- Extreme weather 14%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to Little Rock (LIT)
Historically, this flight arrives 15+ minutes late 52% of the time, and when it is late the delay averages 85 minutes. It was cancelled 3.8% of the time.
- On-time arrivals
- 48.0%
- Less than 15 minutes late
- Cancelled
- 3.8%
- Of scheduled flights
- Average delay when late
- 85 min
- Flights arriving 15+ minutes late
- Flights tracked
- 26
- Scheduled flights in the period
What caused the delays
- Extreme weather 46%
- Airline (crew, maintenance, cleaning) 31%
- Air traffic control & airport 15%
- Late-arriving aircraft 7%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to St Louis (STL)
Historically, this flight arrives 15+ minutes late 33% of the time, and when it is late the delay averages 61 minutes. It was cancelled 8.7% of the time.
- On-time arrivals
- 66.7%
- Less than 15 minutes late
- Cancelled
- 8.7%
- Of scheduled flights
- Average delay when late
- 61 min
- Flights arriving 15+ minutes late
- Flights tracked
- 23
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 50%
- Late-arriving aircraft 33%
- Air traffic control & airport 8%
- Extreme weather 8%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Flint (FNT) to Chicago (ORD)
Historically, this flight arrives 15+ minutes late 68% of the time, and when it is late the delay averages 90 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 31.8%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 90 min
- Flights arriving 15+ minutes late
- Flights tracked
- 22
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 61%
- Late-arriving aircraft 20%
- Air traffic control & airport 19%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sioux Falls (FSD) to Chicago (ORD)
Only 13 flights on record, which is too few for reliable odds.
- On-time arrivals
- 30.8%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 59 min
- Flights arriving 15+ minutes late
- Flights tracked
- 13
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 42%
- Extreme weather 25%
- Airline (crew, maintenance, cleaning) 17%
- Air traffic control & airport 16%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Las Vegas (LAS) to Phoenix (PHX)
Only 10 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
- 10
- Scheduled flights in the period
Phoenix (PHX) to Las Vegas (LAS)
Only 10 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
- 10
- Scheduled flights in the period
Brownsville (BRO) to Dallas-Fort Worth (DFW)
Only 6 flights on record, which is too few for reliable odds.
- On-time arrivals
- 66.7%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 710 min
- Flights arriving 15+ minutes late
- Flights tracked
- 6
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 98%
- Late-arriving aircraft 2%
- 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 Brownsville (BRO)
Only 6 flights on record, which is too few for reliable odds.
- On-time arrivals
- 66.7%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 30 min
- Flights arriving 15+ minutes late
- Flights tracked
- 6
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 65%
- Airline (crew, maintenance, cleaning) 35%
- Air traffic control & airport 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
El Paso (ELP) to Phoenix (PHX)
Only 4 flights on record, which is too few for reliable odds.
- On-time arrivals
- 75.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 27 min
- Flights arriving 15+ minutes late
- Flights tracked
- 4
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 59%
- Late-arriving aircraft 41%
- Airline (crew, maintenance, cleaning) 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Phoenix (PHX) to El Paso (ELP)
Only 4 flights on record, which is too few for reliable odds.
- On-time arrivals
- 75.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 15 min
- Flights arriving 15+ minutes late
- Flights tracked
- 4
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 53%
- Airline (crew, maintenance, cleaning) 47%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Richmond (RIC) to Chicago (ORD)
Only 2 flights on record, which is too few for reliable odds.
- On-time arrivals
- 50.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 30 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 100%
- Late-arriving aircraft 0%
- Air traffic control & airport 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Minneapolis (MSP) to Chicago (ORD)
Only 1 flight on record, which is too few for reliable odds.
- On-time arrivals
- 0.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 24 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1
- 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).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 38.5% | 13 |
| October 2025 | 29.2% | 24 |
| November 2025 | 70.0% | 22 |
| December 2025 | 61.5% | 13 |
| January 2026 | 0.0% | 1 |
| March 2026 | 51.2% | 42 |
| April 2026 | 75.0% | 34 |
| May 2026 | 70.8% | 24 |
| June 2026 | 100.0% | 8 |
| July 2026 | 85.7% | 14 |
| August 2026 | 58.8% | 56 |
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