Historical on-time performance
Oakland to Denver
957 miData through May 2026Source: US DOT · BTS
Flights on OAK–DEN arrive on time 73% of the time over the last 12 months.
On-time rate73%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled0.4%of scheduled flights
based on 1,615 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time73%Medianon timep9045 minCancel0.4%Flights1,615
Why flights run late
Delay causes
- Airline29%
- Weather6%
- Air traffic (NAS)28%
- Late aircraft36%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline43%
- Weather29%
- Air traffic (NAS)29%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 7 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly OAK → DEN
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 91% on time.
- Mornings91% on time · p90 10 min · 2,128 flights
- Middays76% on time · p90 30 min · 1,040 flights
- Evenings71% on time · p90 45 min · 1,008 flights
- Overnights66% on time · p90 50 min · 360 flights
- Afternoons64% on time · p90 60 min · 870 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 74% to 83% on time.
- Wednesdays83% on time · p90 25 min · 757 flights
- Saturdays82% on time · p90 25 min · 709 flights
- Tuesdays82% on time · p90 30 min · 757 flights
- Sundays77% on time · p90 40 min · 805 flights
- Fridays76% on time · p90 35 min · 800 flights
- Thursdays75% on time · p90 40 min · 789 flights
- Mondays74% on time · p90 40 min · 789 flights
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