Flight OO4791
SkyWest Airlines flight OO4791
Looking for OO4791 in the air…
Chicago (ORD) to South Bend (SBN)
Historically, this flight arrives 15+ minutes late 34% of the time, and when it is late the delay averages 100 minutes. It was cancelled 2.9% of the time.
- On-time arrivals
- 65.6%
- Less than 15 minutes late
- Cancelled
- 2.9%
- Of scheduled flights
- Average delay when late
- 100 min
- Flights arriving 15+ minutes late
- Flights tracked
- 314
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 35%
- Airline (crew, maintenance, cleaning) 32%
- Air traffic control & airport 27%
- Extreme weather 6%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Chicago (ORD) to Hartford (BDL)
Historically, this flight arrives 15+ minutes late 20% of the time, and when it is late the delay averages 72 minutes. It was cancelled 2.1% of the time.
- On-time arrivals
- 80.4%
- Less than 15 minutes late
- Cancelled
- 2.1%
- Of scheduled flights
- Average delay when late
- 72 min
- Flights arriving 15+ minutes late
- Flights tracked
- 47
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 47%
- Extreme weather 29%
- Late-arriving aircraft 23%
- Air traffic control & airport 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 86.2% | 30 |
| October 2025 | 90.0% | 30 |
| November 2025 | 57.1% | 30 |
| December 2025 | 51.7% | 30 |
| January 2026 | 55.2% | 30 |
| February 2026 | 63.0% | 27 |
| March 2026 | 53.6% | 31 |
| April 2026 | 58.6% | 30 |
| May 2026 | 77.4% | 31 |
| June 2026 | 66.7% | 30 |
| July 2026 | 73.3% | 31 |
| August 2026 | 74.2% | 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