Denver (DEN) to Jacksonville (JAX) flights
United Airlines, Southwest Airlines fly nonstop from Denver International Airport to Jacksonville International Airport, with about 20 flights a week in July 2026. The 1,446-mile flight takes about 3h 16m gate to gate.
- Distance
- 1,446 mi · 2,327 km
- Flight time
- 3h 16m
- Airlines
- 2
- Seats filled
- 83%
Airlines flying DEN to JAX
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 12 | Boeing 737-800, Boeing 737 MAX 8, Airbus A320-100/200 | 85,393 | 3h 20m |
| Southwest Airlines | 8 | Boeing 737 MAX 8, Boeing 737-800, Boeing 737-700 / MAX 7 | 55,131 | 3h 9m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
DEN to JAX flight schedule
5 flight numbers flew this route in August 2026, 3 of them almost daily. The first usually leaves at 10:05am and the last at 4:20pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| UA 1451United Airlines | 10:05am | 3:33pm | 23 | 83% |
| WN 2817Southwest Airlines | 11:00am | 4:15pm | 20 | 60% |
| WN 421Southwest Airlines | 11:15am | 4:30pm | 4 | n/a |
| WN 4650Southwest Airlines | 3:45pm | 9:00pm | 4 | n/a |
| UA 1485United Airlines | 4:20pm | 9:46pm | 31 | 82% |
Is DEN to JAX on time?
From September 2025 to August 2026, 77% of 1,044 flights arrived within 15 minutes of schedule and 0% were cancelled. Flights leaving around 9am were the most punctual (88%), those around 3pm the least (60%). Most delay time was caused by late-arriving aircraft (43%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 661 | 82% | 11 min | 0% |
| Southwest Airlines | 383 | 67% | 19 min | 0% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 9am to 10am | 194 | 88% | |
| 10am to 11am | 147 | 78% | |
| 11am to 12pm | 61 | 67% | |
| 1pm to 2pm | 107 | 73% | |
| 2pm to 3pm | 47 | 85% | |
| 3pm to 4pm | 67 | 60% | |
| 4pm to 5pm | 260 | 79% | |
| 5pm to 6pm | 119 | 79% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 62 | 9,066 | |
| September 2025 | 66 | 9,625 | |
| October 2025 | 92 | 13,224 | |
| November 2025 | 91 | 11,536 | |
| December 2025 | 97 | 12,609 | |
| January 2026 | 88 | 10,919 | |
| February 2026 | 77 | 10,580 | |
| March 2026 | 95 | 13,531 | |
| April 2026 | 91 | 12,142 | |
| May 2026 | 92 | 12,361 | |
| June 2026 | 88 | 12,630 | |
| July 2026 | 88 | 12,495 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.