Flight OO4644
SkyWest Airlines flight OO4644
Looking for OO4644 in the air…
Alerts at this flight's airports
Charleston (CRW) to Chicago (ORD)
Historically, this flight arrives 15+ minutes late 55% of the time, and when it is late the delay averages 101 minutes. It was cancelled 5.8% of the time.
- On-time arrivals
- 45.2%
- Less than 15 minutes late
- Cancelled
- 5.8%
- Of scheduled flights
- Average delay when late
- 101 min
- Flights arriving 15+ minutes late
- Flights tracked
- 292
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 33%
- Air traffic control & airport 30%
- Airline (crew, maintenance, cleaning) 25%
- Extreme weather 13%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Appleton (ATW) to Chicago (ORD)
Historically, this flight arrives 15+ minutes late 21% of the time, and when it is late the delay averages 273 minutes. It was cancelled 12.5% of the time.
- On-time arrivals
- 78.6%
- Less than 15 minutes late
- Cancelled
- 12.5%
- Of scheduled flights
- Average delay when late
- 273 min
- Flights arriving 15+ minutes late
- Flights tracked
- 32
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 84%
- Air traffic control & airport 16%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Houston (IAH) to Omaha (OMA)
Historically, this flight arrives 15+ minutes late 14% of the time, and when it is late the delay averages 71 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 85.7%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 71 min
- Flights arriving 15+ minutes late
- Flights tracked
- 21
- Scheduled flights in the period
What caused the delays
- Extreme weather 69%
- Airline (crew, maintenance, cleaning) 29%
- Air traffic control & airport 2%
- Late-arriving aircraft 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Albuquerque (ABQ) to San Francisco (SFO)
Only 19 flights on record, which is too few for reliable odds.
- On-time arrivals
- 78.9%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 58 min
- Flights arriving 15+ minutes late
- Flights tracked
- 19
- 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).
Des Moines (DSM) 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 | 40.0% | 30 |
| October 2025 | 41.9% | 31 |
| November 2025 | 34.6% | 30 |
| December 2025 | 43.3% | 31 |
| January 2026 | 55.2% | 31 |
| February 2026 | 60.7% | 28 |
| March 2026 | 34.6% | 31 |
| April 2026 | 80.8% | 30 |
| May 2026 | 53.3% | 31 |
| June 2026 | 57.1% | 30 |
| July 2026 | 51.9% | 31 |
| August 2026 | 76.7% | 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