Historical on-time performance
Denver to San Luis Obispo
931 miData through Dec 2025Source: US DOT · BTS
Flights on DEN–SBP arrive on time 73% of the time over the last 12 months.
On-time rate73%arrived within 15 min
p90 delay65 min1 in 10 flights is worse (tail risk)
Cancelled0.7%of scheduled flights
based on 557 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesbestOn-time79%Medianon timep9035 minCancel0.0%Flights311
- United AirlinesOn-time65%Medianon timep90110 minCancel1.6%Flights246
Why flights run late
Delay causes
- Airline22%
- Weather11%
- Air traffic (NAS)25%
- Late aircraft43%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly DEN → SBP
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Middays are the most reliable time of day to fly this route — 75% on time.
- Middays75% on time · p90 45 min · 1,092 flights
- Evenings68% on time · p90 70 min · 1,062 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 66% to 75% on time.
- Wednesdays75% on time · p90 45 min · 311 flights
- Saturdays72% on time · p90 60 min · 314 flights
- Thursdays72% on time · p90 55 min · 306 flights
- Mondays72% on time · p90 65 min · 313 flights
- Tuesdays72% on time · p90 55 min · 311 flights
- Sundays71% on time · p90 70 min · 314 flights
- Fridays66% on time · p90 65 min · 312 flights
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