Flight OO4087
SkyWest Airlines flight OO4087
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Alerts at this flight's airports
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Watch Ground Delay Program SAN
Ground Delay Program at San Diego International Airport (SAN): Average 37 minutes, up to 1 hour and 11 minutes
Reason: airport volume
Airport status
San Diego (SAN) to Los Angeles (LAX)
Historically, this flight arrives 15+ minutes late 15% of the time, and when it is late the delay averages 66 minutes. It was cancelled 0.9% of the time.
- On-time arrivals
- 84.9%
- Less than 15 minutes late
- Cancelled
- 0.9%
- Of scheduled flights
- Average delay when late
- 66 min
- Flights arriving 15+ minutes late
- Flights tracked
- 320
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 60%
- Air traffic control & airport 28%
- Extreme weather 12%
- Late-arriving aircraft 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Los Angeles (LAX) to San Diego (SAN)
Historically, this flight arrives 15+ minutes late 21% of the time, and when it is late the delay averages 55 minutes. It was cancelled 0.6% of the time.
- On-time arrivals
- 79.5%
- Less than 15 minutes late
- Cancelled
- 0.6%
- Of scheduled flights
- Average delay when late
- 55 min
- Flights arriving 15+ minutes late
- Flights tracked
- 319
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 58%
- Air traffic control & airport 33%
- Extreme weather 9%
- Late-arriving aircraft 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
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Headlines found by Google News; stories open on the publisher's site.
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 87.9% | 60 |
| October 2025 | 83.9% | 62 |
| November 2025 | 76.1% | 49 |
| December 2025 | 73.7% | 38 |
| January 2026 | 82.0% | 50 |
| February 2026 | 77.3% | 44 |
| March 2026 | 79.6% | 54 |
| April 2026 | 92.3% | 52 |
| May 2026 | 86.0% | 50 |
| June 2026 | 89.7% | 58 |
| July 2026 | 88.7% | 62 |
| August 2026 | 65.0% | 60 |
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