Historical on-time performance
Dallas-Fort Worth to Denver
641 miData through May 2026Source: US DOT · BTS
Flights on DFW–DEN arrive on time 67% of the time over the last 12 months.
On-time rate67%arrived within 15 min
p90 delay65 min1 in 10 flights is worse (tail risk)
Cancelled2.3%of scheduled flights
based on 5,969 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Frontier AirlinesbestOn-time77%Medianon timep9050 minCancel1.7%Flights1,083
- United AirlinesOn-time73%Medianon timep9055 minCancel1.3%Flights1,919
- American AirlinesOn-time60%Medianon timep9080 minCancel3.1%Flights2,967
Why flights run late
Delay causes
- Airline25%
- Weather4%
- Air traffic (NAS)23%
- Late aircraft48%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline21%
- Weather76%
- Air traffic (NAS)2%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 136 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 DFW → 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 — 81% on time.
- Mornings81% on time · p90 30 min · 4,806 flights
- Middays78% on time · p90 40 min · 4,643 flights
- Afternoons60% on time · p90 85 min · 3,401 flights
- Evenings59% on time · p90 95 min · 2,532 flights
- Overnights54% on time · p90 95 min · 2,904 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 66% to 71% on time.
- Tuesdays71% on time · p90 60 min · 2,444 flights
- Wednesdays71% on time · p90 60 min · 2,512 flights
- Mondays70% on time · p90 70 min · 2,737 flights
- Thursdays68% on time · p90 65 min · 2,759 flights
- Fridays67% on time · p90 65 min · 2,739 flights
- Saturdays67% on time · p90 60 min · 2,384 flights
- Sundays66% on time · p90 75 min · 2,711 flights
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