Route Reliability
Denver → Jacksonville
DEN–JAX · 1,446 miles · Denver International Airport to Jacksonville International Airport
- 76%
- Arrive within 15 minutes
- 8 min
- Average arrival delay
- 0%
- Cancelled
- 973
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.United Airlines80%599 flights
- 2.Southwest Airlines71%374 flights
What the data says
Morning-you made the right choice.
DEN–JAX flights departing between 9 AM–12 PM arrived on time 86% of the time, versus 50% between 6–9 PM.
Skip Thursday if you can.
DEN–JAX flights arrived on time 80% of the time on Fridays. On Thursdays: 73%.
United Airlines runs this route best.
United Airlines arrived on time 80% of the time on this route; Southwest Airlines managed 71%.
It basically never cancels.
Out of 973 scheduled flights, only 0.0% were cancelled.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon75%(135 flights)
- Tue78%(129 flights)
- Wed76%(138 flights)
- Thu73%(138 flights)
- Fri80%(140 flights)
- Sat75%(150 flights)
- Sun78%(141 flights)
- 9 AM–12 PM86%(310 flights)
- 12–3 PM74%(179 flights)
- 3–6 PM72%(456 flights)
- 6–9 PM50%(26 flights)
Jun 51% → May 77% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 51% | 63 |
| July 2025 | 57% | 61 |
| August 2025 | 57% | 62 |
| September 2025 | 73% | 66 |
| October 2025 | 84% | 92 |
| November 2025 | 95% | 91 |
| December 2025 | 70% | 95 |
| January 2026 | 88% | 88 |
| February 2026 | 90% | 77 |
| March 2026 | 73% | 94 |
| April 2026 | 86% | 91 |
| May 2026 | 77% | 91 |
Keep nerding
Based on 973 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.