Flight OO4099
SkyWest Airlines flight OO4099
Looking for OO4099 in the air…
Los Angeles (LAX) to Reno (RNO)
Historically, this flight arrives 15+ minutes late 5% of the time, and when it is late the delay averages 74 minutes. It was cancelled 0.5% of the time.
- On-time arrivals
- 95.3%
- Less than 15 minutes late
- Cancelled
- 0.5%
- Of scheduled flights
- Average delay when late
- 74 min
- Flights arriving 15+ minutes late
- Flights tracked
- 365
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 71%
- Extreme weather 28%
- Air traffic control & airport 1%
- Late-arriving aircraft 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Reno (RNO) to Los Angeles (LAX)
Historically, this flight arrives 15+ minutes late 8% of the time, and when it is late the delay averages 61 minutes. It was cancelled 0.5% of the time.
- On-time arrivals
- 92.0%
- Less than 15 minutes late
- Cancelled
- 0.5%
- Of scheduled flights
- Average delay when late
- 61 min
- Flights arriving 15+ minutes late
- Flights tracked
- 365
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 59%
- Extreme weather 24%
- Air traffic control & airport 16%
- Late-arriving aircraft 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
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Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 98.3% | 60 |
| October 2025 | 85.5% | 62 |
| November 2025 | 94.6% | 60 |
| December 2025 | 85.5% | 62 |
| January 2026 | 90.3% | 62 |
| February 2026 | 85.7% | 56 |
| March 2026 | 98.4% | 62 |
| April 2026 | 98.3% | 60 |
| May 2026 | 93.5% | 62 |
| June 2026 | 100.0% | 60 |
| July 2026 | 96.8% | 62 |
| August 2026 | 96.8% | 62 |
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