Best Time to Fly DEN to DFW: On-Time Stats by Hour & Airline
Denver International → Dallas/Fort Worth International
Data through July 2026 · Last updated October 18, 2026
6,036 flights were scheduled from Denver (DEN) to Dallas/Fort Worth (DFW) in the last 12 months, and 75.5% of those that flew arrived on time, 2.1 points below the US average of 77.6%.
United Airlines was the most punctual of the 3 airlines on the route at 77.6%, while American Airlines trailed at 73.9%.
October has been the best month (83% on time) and Sunday the weakest day of the week (72%).
2.0% of flights were cancelled, versus 1.8% nationally.
DEN to DFW on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| United Airlines | 77.6% | 68 min | 0.8% | 1,885 |
| Frontier Airlines | 75.8% | 73 min | 0.8% | 1,165 |
| American Airlines | 73.9% | 101 min | 3.3% | 2,939 |
| SkyWest Airlines | Limited data | 23 | ||
| Envoy Air | Limited data | 24 | ||
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DEN to DFW
On-time arrival % by scheduled departure hour (local time), 12,236 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 12am–1am | Limited data | 2 | |
| 5am–6am | 86.6% | 1.2% | 809 |
| 6am–7am | 85.2% | 1.9% | 975 |
| 7am–8am | 85.8% | 1.3% | 942 |
| 8am–9am | 77.6% | 1.5% | 957 |
| 9am–10am | 83.0% | 1.1% | 1,313 |
| 10am–11am | 77.5% | 2.5% | 851 |
| 11am–12pm | 75.8% | 0.0% | 66 |
| 12pm–1pm | 70.1% | 2.2% | 757 |
| 1pm–2pm | 76.9% | 0.8% | 825 |
| 2pm–3pm | 73.9% | 2.6% | 691 |
| 3pm–4pm | 68.8% | 2.0% | 660 |
| 4pm–5pm | 57.2% | 3.7% | 621 |
| 5pm–6pm | 65.2% | 2.1% | 821 |
| 6pm–7pm | 56.1% | 3.8% | 823 |
| 7pm–8pm | 78.4% | 2.6% | 38 |
| 8pm–9pm | 67.9% | 1.8% | 718 |
| 9pm–10pm | 65.5% | 0.6% | 359 |
| 10pm–11pm | Limited data | 6 | |
| 11pm–12am | Limited data | 2 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on DEN to DFW
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 77.1% | +0.6 pts | 0.0% | 231 |
| Christmas & New Year (Dec 20 - Jan 3) | 77.2% | +0.8 pts | 2.6% | 504 |
| Summer peak (Jun 15 - Aug 15) | 66.0% | -10.4 pts | 2.0% | 2,185 |
| All other days | 76.4% | — | 1.9% | 9,316 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).