Historical on-time performance
Denver to Oakland
957 miData through May 2026Source: US DOT · BTS
Flights on DEN–OAK arrive on time 65% of the time over the last 12 months.
On-time rate65%arrived within 15 min
p90 delay55 min1 in 10 flights is worse (tail risk)
Cancelled0.7%of scheduled flights
based on 1,618 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time65%Median5 minp9055 minCancel0.7%Flights1,618
Why flights run late
Delay causes
- Airline35%
- Weather1%
- Air traffic (NAS)6%
- Late aircraft58%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline42%
- Weather8%
- Air traffic (NAS)50%
- Security0%
Most cancellations here are attributed to Air traffic (NAS). Shares are among 12 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 DEN → OAK
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 — 88% on time.
- Mornings88% on time · p90 15 min · 1,424 flights
- Middays77% on time · p90 30 min · 1,077 flights
- Afternoons64% on time · p90 45 min · 818 flights
- Evenings56% on time · p90 70 min · 831 flights
- Overnights52% on time · p90 80 min · 1,205 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 65% to 73% on time.
- Tuesdays73% on time · p90 45 min · 743 flights
- Wednesdays73% on time · p90 40 min · 743 flights
- Saturdays70% on time · p90 50 min · 706 flights
- Fridays68% on time · p90 55 min · 793 flights
- Mondays68% on time · p90 45 min · 784 flights
- Sundays67% on time · p90 55 min · 804 flights
- Thursdays65% on time · p90 50 min · 782 flights
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