Historical on-time performance
Denver to Dallas
651 miData through Dec 2025Source: US DOT · BTS
Flights on DEN–DAL arrive on time 70% of the time over the last 12 months.
On-time rate70%arrived within 15 min
p90 delay50 min1 in 10 flights is worse (tail risk)
Cancelled1.2%of scheduled flights
based on 3,050 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time70%Medianon timep9050 minCancel1.2%Flights3,050
Why flights run late
Delay causes
- Airline29%
- Weather2%
- Air traffic (NAS)19%
- Late aircraft49%
- 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 → DAL
All airlines · rolling 36 months (2023-01 .. 2025-12).
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 · 3,347 flights
- Middays74% on time · p90 35 min · 2,022 flights
- Afternoons61% on time · p90 55 min · 1,492 flights
- Overnights53% on time · p90 80 min · 744 flights
- Evenings53% on time · p90 90 min · 2,177 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 67% to 74% on time.
- Tuesdays74% on time · p90 45 min · 1,410 flights
- Saturdays73% on time · p90 45 min · 1,106 flights
- Wednesdays72% on time · p90 45 min · 1,401 flights
- Mondays71% on time · p90 45 min · 1,479 flights
- Sundays70% on time · p90 50 min · 1,466 flights
- Fridays69% on time · p90 50 min · 1,469 flights
- Thursdays67% on time · p90 55 min · 1,451 flights
Advertisement
Keep exploring