Historical on-time performance
Denver to Jacksonville
1,447 miData through Dec 2025Source: US DOT · BTS
Flights on DEN–JAX arrive on time 71% of the time over the last 12 months.
On-time rate71%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled0.2%of scheduled flights
based on 915 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesbestOn-time74%Medianon timep9040 minCancel0.0%Flights570
- Southwest AirlinesOn-time68%Median5 minp9045 minCancel0.6%Flights345
Why flights run late
Delay causes
- Airline28%
- Weather2%
- Air traffic (NAS)26%
- Late aircraft45%
- 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 → JAX
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 64% to 79% on time.
- Mornings79% on time · p90 35 min · 521 flights
- Middays76% on time · p90 30 min · 470 flights
- Afternoons71% on time · p90 40 min · 339 flights
- Evenings64% on time · p90 60 min · 1,258 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 67% to 73% on time.
- Wednesdays73% on time · p90 45 min · 354 flights
- Tuesdays72% on time · p90 50 min · 352 flights
- Mondays70% on time · p90 45 min · 384 flights
- Thursdays70% on time · p90 40 min · 359 flights
- Saturdays69% on time · p90 45 min · 388 flights
- Fridays69% on time · p90 50 min · 378 flights
- Sundays67% on time · p90 50 min · 375 flights
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