Dallas to Denver Flight Delays
Sample size: 17,666 DFW–DEN flights, January 2023 to December 2025 (BTS). 30.06% of Dallas to Denver flights arrived at least 15 minutes late. That is 5.9 points worse than the 24.2% median for those routes, so schedule padding matters here. Departure time moves the odds more than anything else on this route: 06:00 departures run 9.97% late against 51.02% for 23:00. Tuesday is the calmest day at 27.57%, Sunday the worst at 31.67%. Cancellations (2024 to 2025) peak in January at 4.23% of scheduled flights and bottom out in February at 0.33%. Last updated: 2026-10-01.
These figures are historical US domestic rates, not a forecast for one departure. Use the per-flight delay estimate before you book.
DFW airport delay guide · DEN airport delay guide · Predict a DFW to DEN flight
Best time to fly DFW to DEN
The best time to fly DFW to DEN is the 6 AM departure and fly on a Tuesday, not a Sunday (27.57% against 31.67%): 9.97% of 6 AM flights arrived 15+ minutes late, against 51.02% at 11 PM.
Lowest observed delay rates depart 05:00–07:00. The highest sit at 18:00, 22:00–23:00. Only departure hours with at least 100 recorded flights are listed, so sparse hours are blank rather than estimated.
| Departure hour | Delayed 15+ min | Flights observed |
|---|---|---|
| 05:00 | 11% | 500 |
| 06:00 | 9.97% | 712 |
| 07:00 | 14.85% | 1,165 |
| 08:00 | 22.99% | 1,570 |
| 09:00 | 27.72% | 707 |
| 10:00 | 23.27% | 1,113 |
| 11:00 | 18.48% | 1,066 |
| 12:00 | 19.43% | 1,194 |
| 13:00 | 18.82% | 1,169 |
| 14:00 | 34.41% | 1,206 |
| 15:00 | 25.11% | 223 |
| 16:00 | 43.97% | 1,883 |
| 17:00 | 34.36% | 454 |
| 18:00 | 44.2% | 1,190 |
| 19:00 | 42.07% | 687 |
| 20:00 | 39.33% | 811 |
| 21:00 | 42.05% | 723 |
| 22:00 | 50.38% | 1,048 |
| 23:00 | 51.02% | 245 |
DFW to DEN flight time and distance
Scheduled gate-to-gate time from DFW to DEN is a median 2 h 10 min. Flights actually took a median 2 h 5 min gate to gate, including 1 h 35 min in the air. 4.3% ran 30 or more minutes over schedule and 66.5% arrived sooner than scheduled (BTS data, January 2023 to December 2025).
DFW to DEN is 641 miles (BTS data).
| Airline | Scheduled (median) | Actual (median) | In the air (median) | 30+ min over schedule | Flights |
|---|---|---|---|---|---|
| American Airlines | 2 h 8 min | 2 h 3 min | 1 h 35 min | 4.7% | 8,808 |
| United Airlines | 2 h 10 min | 2 h 6 min | 1 h 36 min | 4.1% | 5,364 |
| Frontier Airlines | 2 h 16 min | 2 h 9 min | 1 h 35 min | 3.7% | 3,256 |
How late, and why
When a DFW to DEN flight was late (15+ minutes), it arrived an average of 76 minutes late (median 46). 11.8% of all completed flights arrived an hour or more late (BTS data, 2023 to 2025).
Of the delay minutes on late DFW to DEN flights, 48.8% were caused by a late incoming aircraft, 26.7% by the airline (crew, maintenance, ground handling), 20.2% by the air-traffic system (volume, non-extreme weather, airport operations), 4.3% by extreme weather and 0.0% by security (BTS data, 2023 to 2025).
| Cause | Share of delay minutes |
|---|---|
| late incoming aircraft | 48.8% |
| airline | 26.7% |
| air-traffic system | 20.2% |
| extreme weather | 4.3% |
| security | 0.0% |
BTS assigns causes to delay minutes on flights that arrived 15+ minutes late. "Air-traffic system" includes non-extreme weather that slows traffic.
DFW to DEN delays by day of week
| Day | Delayed 15+ min | Flights observed |
|---|---|---|
| Mon | 28.43% | 2,673 |
| Tue | 27.57% | 2,412 |
| Wed | 29.68% | 2,443 |
| Thu | 31.48% | 2,589 |
| Fri | 31.41% | 2,617 |
| Sat | 30% | 2,333 |
| Sun | 31.67% | 2,599 |
Month-by-month cancellation pattern
Share of scheduled DFW–DEN flights cancelled in each month, from BTS 2024–2025 on-time reporting. These are cancellations, not delays. Delay figures on this page cover January 2023 to December 2025.
| Month | Cancelled | Flights scheduled |
|---|---|---|
| Jan | 4.23% | 923 |
| Feb | 0.33% | 908 |
| Mar | 2.71% | 1,034 |
| Apr | 1.76% | 1,025 |
| May | 4.14% | 1,087 |
| Jun | 1.94% | 1,084 |
| Jul | 3.34% | 1,108 |
| Aug | 1.6% | 1,063 |
| Sep | 0.91% | 985 |
| Oct | 1.02% | 1,078 |
| Nov | 2.28% | 966 |
| Dec | 1.44% | 973 |
Airlines on DFW to DEN: delays and cancellations
American Airlines, United Airlines and Frontier Airlines fly this route today. Only carriers with at least 200 scheduled flights on the pairing are listed. Delay rates cover January 2023 to December 2025; cancellation rates cover 2024 to 2025.
| Airline | Share of flights | Delayed 15+ min | Cancelled | Flights scheduled |
|---|---|---|---|---|
| American Airlines | 50% | 34.55% | 2.65% | 6,065 |
| United Airlines | 31% | 24.63% | 1.31% | 3,732 |
| Frontier Airlines | 19% | 27.95% | 2.33% | 2,321 |
Related pages
- DFW delays: rate, worst hours and live risk
- DEN delays: rate, worst hours and live risk
- US airline cancellation rates
- Thanksgiving and Christmas 2026 flight delay guide
- Predict a DFW to DEN flight
Check your odds: Will my flight be delayed? · Will my flight be cancelled?
DFW vs DEN: airport conditions
Both ends of a route shape its delay profile. These are DelayGuard's operational scores for Dallas and Denver.
| Measure | DFW (Dallas) | DEN (Denver) |
|---|---|---|
| Congestion | high | high |
| Weather risk | moderate | moderate |
| NAS vulnerability | moderate | moderate |
| Average taxi-out | 19 min | 17 min |
| Runways | 7 | 6 |
DFW to DEN questions
- How long is the flight from Dallas to Denver?
- Scheduled gate-to-gate time from DFW to DEN is a median 2 h 10 min, and flights actually took a median 2 h 5 min including 1 h 35 min in the air. 4.3% ran 30+ minutes over schedule (BTS data, January 2023 to December 2025).
- How often do DFW to DEN flights get delayed?
- Across 17,666 recorded DFW–DEN departures, January 2023 to December 2025 (BTS), 30.06% arrived at least 15 minutes late. Departure time matters most: 6:00 departures run 9.97% late against 51.02% for 23:00. Actual delay frequency varies by airline, time of day, and season.
- What is the best time of year to fly DFW to DEN?
- Dallas (TX) sees its highest delays during June–September (convective/thunderstorm season). Denver (CO) peaks during December–February (winter weather) and June–August (summer storms). The dominant seasonal risk on this route sits at the destination (Denver) — use the DelayGuard predictor to check conditions for your specific travel date.
- Which airline is most reliable on DFW to DEN?
- On DFW→DEN, United Airlines has the lowest measured delay rate at 24.63% of 5,364 flights, and American Airlines the highest at 34.55% (BTS, January 2023 to December 2025). United Airlines cancels the fewest at 1.31% (2024 to 2025). These are route-specific figures, not airline-wide averages.
- How late are DFW to DEN flights when they are delayed?
- When a DFW to DEN flight was late (15+ minutes), it arrived an average of 76 minutes late (median 46). 11.8% of all completed flights arrived an hour or more late (BTS data, 2023 to 2025).
- How accurate is DelayGuard's delay prediction for this route?
- DelayGuard's delay risk score comes from an ML model trained on BTS data (3.95 million US domestic flights, 2023 to mid-2025), with live weather data (within 5 days of departure) and FAA NAS advisories (within 6 hours) — a likelihood of delay, not a guarantee.
Delay figures reflect arrivals 15 or more minutes late in BTS on-time reporting. Cancellation figures are separate and count flights that never operated. Hours, days and months with fewer than 100 recorded flights are omitted rather than estimated.