Flight OO4889
SkyWest Airlines flight OO4889
Looking for OO4889 in the air…
Lubbock (LBB) to Phoenix (PHX)
Historically, this flight arrives 15+ minutes late 8% of the time, and when it is late the delay averages 240 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 92.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 240 min
- Flights arriving 15+ minutes late
- Flights tracked
- 75
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 71%
- Late-arriving aircraft 28%
- Air traffic control & airport 1%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Phoenix (PHX) to Boise (BOI)
Historically, this flight arrives 15+ minutes late 9% of the time, and when it is late the delay averages 65 minutes. It was cancelled 2.3% of the time.
- On-time arrivals
- 90.7%
- Less than 15 minutes late
- Cancelled
- 2.3%
- Of scheduled flights
- Average delay when late
- 65 min
- Flights arriving 15+ minutes late
- Flights tracked
- 44
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 87%
- Late-arriving aircraft 12%
- Air traffic control & airport 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Boise (BOI) to Phoenix (PHX)
Historically, this flight arrives 15+ minutes late 22% of the time, and when it is late the delay averages 105 minutes. It was cancelled 4.7% of the time.
- On-time arrivals
- 78.0%
- Less than 15 minutes late
- Cancelled
- 4.7%
- Of scheduled flights
- Average delay when late
- 105 min
- Flights arriving 15+ minutes late
- Flights tracked
- 43
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 73%
- Late-arriving aircraft 11%
- Air traffic control & airport 10%
- Extreme weather 7%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Detroit (DTW) to Chicago (ORD)
Historically, this flight arrives 15+ minutes late 30% of the time, and when it is late the delay averages 115 minutes. It was cancelled 6.2% of the time.
- On-time arrivals
- 70.0%
- Less than 15 minutes late
- Cancelled
- 6.2%
- Of scheduled flights
- Average delay when late
- 115 min
- Flights arriving 15+ minutes late
- Flights tracked
- 32
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 48%
- Late-arriving aircraft 24%
- Air traffic control & airport 17%
- Extreme weather 11%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to Detroit (DTW)
Historically, this flight arrives 15+ minutes late 50% of the time, and when it is late the delay averages 73 minutes. It was cancelled 3.2% of the time.
- On-time arrivals
- 50.0%
- Less than 15 minutes late
- Cancelled
- 3.2%
- Of scheduled flights
- Average delay when late
- 73 min
- Flights arriving 15+ minutes late
- Flights tracked
- 31
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 36%
- Air traffic control & airport 29%
- Late-arriving aircraft 18%
- Extreme weather 17%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Phoenix (PHX) to Albuquerque (ABQ)
Historically, this flight arrives 15+ minutes late 7% of the time, and when it is late the delay averages 65 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 92.9%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 65 min
- Flights arriving 15+ minutes late
- Flights tracked
- 28
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 86%
- Air traffic control & airport 14%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to Evansville (EVV)
Historically, this flight arrives 15+ minutes late 47% of the time, and when it is late the delay averages 453 minutes. It was cancelled 29.6% of the time.
- On-time arrivals
- 52.6%
- Less than 15 minutes late
- Cancelled
- 29.6%
- Of scheduled flights
- Average delay when late
- 453 min
- Flights arriving 15+ minutes late
- Flights tracked
- 27
- Scheduled flights in the period
What caused the delays
- Extreme weather 48%
- Late-arriving aircraft 26%
- Air traffic control & airport 14%
- Airline (crew, maintenance, cleaning) 12%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Moline (MLI) to Chicago (ORD)
Historically, this flight arrives 15+ minutes late 35% of the time, and when it is late the delay averages 90 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 65.2%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 90 min
- Flights arriving 15+ minutes late
- Flights tracked
- 23
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 89%
- Air traffic control & airport 10%
- Extreme weather 0%
- Late-arriving aircraft 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Los Angeles (LAX) to Portland (PDX)
Only 17 flights on record, which is too few for reliable odds.
- On-time arrivals
- 70.6%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 57 min
- Flights arriving 15+ minutes late
- Flights tracked
- 17
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 66%
- Air traffic control & airport 12%
- Airline (crew, maintenance, cleaning) 12%
- Security 10%
- Extreme weather 0%
Share of delay minutes airlines attributed to each cause (BTS).
Boise (BOI) to Chicago (ORD)
Only 13 flights on record, which is too few for reliable odds.
- On-time arrivals
- 58.3%
- Less than 15 minutes late
- Cancelled
- 7.7%
- Of scheduled flights
- Average delay when late
- 186 min
- Flights arriving 15+ minutes late
- Flights tracked
- 13
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 95%
- Air traffic control & airport 5%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to St Louis (STL)
Only 8 flights on record, which is too few for reliable odds.
- On-time arrivals
- 57.1%
- Less than 15 minutes late
- Cancelled
- 12.5%
- Of scheduled flights
- Average delay when late
- 100 min
- Flights arriving 15+ minutes late
- Flights tracked
- 8
- Scheduled flights in the period
What caused the delays
- Extreme weather 73%
- Airline (crew, maintenance, cleaning) 25%
- Air traffic control & airport 2%
- Late-arriving aircraft 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
St Louis (STL) to Chicago (ORD)
Only 8 flights on record, which is too few for reliable odds.
- On-time arrivals
- 42.9%
- Less than 15 minutes late
- Cancelled
- 12.5%
- Of scheduled flights
- Average delay when late
- 378 min
- Flights arriving 15+ minutes late
- Flights tracked
- 8
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 81%
- Late-arriving aircraft 9%
- Extreme weather 6%
- Airline (crew, maintenance, cleaning) 5%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Madison (MSN) to Chicago (ORD)
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
- 308 min
- Flights arriving 15+ minutes late
- Flights tracked
- 4
- Scheduled flights in the period
What caused the delays
- Extreme weather 97%
- Air traffic control & airport 3%
- Airline (crew, maintenance, cleaning) 0%
- Late-arriving aircraft 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to Madison (MSN)
Only 4 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
- 4
- Scheduled flights in the period
Palm Springs (PSP) to Los Angeles (LAX)
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
- 30 min
- Flights arriving 15+ minutes late
- Flights tracked
- 4
- 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).
El Paso (ELP) to Phoenix (PHX)
Only 2 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
- 2
- Scheduled flights in the period
Omaha (OMA) to Phoenix (PHX)
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
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Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 92.3% | 26 |
| October 2025 | 76.2% | 21 |
| November 2025 | 82.0% | 53 |
| December 2025 | 81.4% | 43 |
| January 2026 | 56.8% | 48 |
| February 2026 | 63.9% | 36 |
| March 2026 | 76.9% | 27 |
| April 2026 | 42.9% | 8 |
| May 2026 | 70.0% | 10 |
| June 2026 | 96.7% | 30 |
| July 2026 | 96.8% | 31 |
| August 2026 | 56.5% | 31 |
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