Flight OO5566
SkyWest Airlines flight OO5566
Looking for OO5566 in the air…
Alerts at this flight's airports
San Francisco (SFO) to Sacramento (SMF)
Historically, this flight arrives 15+ minutes late 20% of the time, and when it is late the delay averages 122 minutes. It was cancelled 0.5% of the time.
- On-time arrivals
- 79.7%
- Less than 15 minutes late
- Cancelled
- 0.5%
- Of scheduled flights
- Average delay when late
- 122 min
- Flights arriving 15+ minutes late
- Flights tracked
- 199
- Scheduled flights in the period
What caused the delays
- Extreme weather 36%
- Air traffic control & airport 30%
- Late-arriving aircraft 26%
- Airline (crew, maintenance, cleaning) 9%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to Charleston (CRW)
Historically, this flight arrives 15+ minutes late 30% of the time, and when it is late the delay averages 90 minutes. It was cancelled 2.1% of the time.
- On-time arrivals
- 69.6%
- Less than 15 minutes late
- Cancelled
- 2.1%
- Of scheduled flights
- Average delay when late
- 90 min
- Flights arriving 15+ minutes late
- Flights tracked
- 47
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 41%
- Late-arriving aircraft 34%
- Extreme weather 15%
- Air traffic control & airport 9%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Milwaukee (MKE) to Chicago (ORD)
Historically, this flight arrives 15+ minutes late 25% of the time, and when it is late the delay averages 53 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
- 53 min
- Flights arriving 15+ minutes late
- Flights tracked
- 32
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 51%
- Air traffic control & airport 49%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to Traverse City (TVC)
Historically, this flight arrives 15+ minutes late 9% of the time, and when it is late the delay averages 161 minutes. It was cancelled 4.2% of the time.
- On-time arrivals
- 91.3%
- Less than 15 minutes late
- Cancelled
- 4.2%
- Of scheduled flights
- Average delay when late
- 161 min
- Flights arriving 15+ minutes late
- Flights tracked
- 24
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 45%
- Airline (crew, maintenance, cleaning) 42%
- Air traffic control & airport 12%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
St Louis (STL) to Houston (IAH)
Only 15 flights on record, which is too few for reliable odds.
- On-time arrivals
- 73.3%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 62 min
- Flights arriving 15+ minutes late
- Flights tracked
- 15
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 94%
- Air traffic control & airport 6%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Appleton (ATW) to Chicago (ORD)
Only 6 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
- 138 min
- Flights arriving 15+ minutes late
- Flights tracked
- 6
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 55%
- Late-arriving aircraft 45%
- Airline (crew, maintenance, cleaning) 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
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 | 82.4% | 17 |
| October 2025 | 85.7% | 7 |
| November 2025 | 82.1% | 29 |
| December 2025 | 78.6% | 28 |
| January 2026 | 82.6% | 24 |
| February 2026 | 84.0% | 25 |
| March 2026 | 95.0% | 20 |
| April 2026 | 83.3% | 30 |
| May 2026 | 48.4% | 31 |
| June 2026 | 90.0% | 51 |
| July 2026 | 70.0% | 31 |
| August 2026 | 61.3% | 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