Denver (DEN) to Dallas/Fort Worth (DFW): On-Time Performance
Data through July 2026
The calendar drives reliability on DEN–DFW. October 2024 flights landed on schedule 86% of the time, but June 2025 dropped to 62% — a gap of 24 points. Across the full period the route averages 74% on-time against a national 78%. Morning departures also hold up better than evening ones (82% vs 63%), which matters most in the rough months.
- On-time
- 74%
- arrived <15 min late
- Avg delay
- 22 min
- completed flights
- Cancelled
- 2.0%
- Flights/day
- 17
- last 12 months
- Duration
- 2h 5m
- scheduled
- Distance
- 641 mi
Best airline from DEN to DFW
4 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| United Airlinesmost reliable | 76% | 17 min | 0.8% | 4,035 |
| Envoy Air | 74% | 19 min | 0.0% | 78 |
| American Airlines | 74% | 27 min | 3.0% | 6,302 |
| Frontier Airlines | 72% | 21 min | 1.3% | 2,361 |
Monthly on-time trend
Best time to fly from DEN to DFW
Aim for departures around 5 a.m. (86% on-time); avoid 6 p.m. departures (56%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 74% | 23 min |
| Tuesday | 76% | 19 min |
| Wednesday | 75% | 20 min |
| Thursdaybest | 77% | 23 min |
| Friday | 75% | 22 min |
| Saturday | 72% | 24 min |
| Sunday | 71% | 25 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft46%
- Airline operations31%
- National airspace system19%
- Weather4%
Frequently asked questions
- How often are flights from DEN to DFW delayed?
- 26% of DEN–DFW flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 22 minutes.
- Which airline is most reliable from DEN to DFW?
- United Airlines has the best on-time record on this route at 76%, based on 4,035 flights. 4 airlines flew DEN–DFW frequently enough to compare in this period.
- What is the best time of day to fly from DEN to DFW?
- Departures around 5 a.m. have the best record (86% on-time), while departures around 6 p.m. have the worst (56%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from DEN to DFW?
- The scheduled DEN–DFW flight time averages 2h 5m over 641 miles. Actual arrival times vary — flights on this route land 15+ minutes late 26% of the time.
- How often are DEN to DFW flights cancelled?
- 2% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
- What is the worst month to fly from DEN to DFW?
- June 2025 was the roughest month in this dataset, with only 62% of arrivals on time. The best was October 2024 at 86%. If your dates are flexible, that 24-point gap is worth planning around.
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Based on 12,806 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.