Denver (DEN) to Miami (MIA) flights
United Airlines, American Airlines, Frontier Airlines, Southwest Airlines fly nonstop from Denver International Airport to Miami International Airport, with about 41 flights a week in July 2026. The 1,709-mile flight takes about 3h 50m gate to gate.
- Distance
- 1,709 mi · 2,750 km
- Flight time
- 3h 50m
- Airlines
- 4
- Seats filled
- 88%
Airlines flying DEN to MIA
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 14 | Boeing 737-800, Boeing 737 MAX 8, Boeing 737-900ER | 134,839 | 3h 56m |
| American Airlines | 14 | Boeing 737-800, Boeing 737 MAX 8, Airbus A321 | 133,945 | 3h 46m |
| Frontier Airlines | 7 | Airbus A321, Airbus A320neo, Airbus A320-100/200 | 65,446 | 3h 48m |
| Southwest Airlines | 7 | Boeing 737 MAX 8, Boeing 737-800, Boeing 737-700 / MAX 7 | 49,895 | 3h 45m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
DEN to MIA flight schedule
10 flight numbers flew this route in August 2026, 4 of them almost daily. The first usually leaves at 6:15am and the last at 11:55pm. 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) |
|---|---|---|---|---|
| AA 1351American Airlines | 6:15am | 12:20pm | 4 | n/a |
| UA 1418United Airlines | 9:46am | 3:56pm | 21 | 78% |
| UA 1496United Airlines | 10:09am | 4:16pm | 10 | 51% |
| WN 4641Southwest Airlines | 11:45am | 5:45pm | 16 | 50% |
| AA 3118American Airlines | 12:11pm | 6:19pm | 4 | 75% |
| AA 1310American Airlines | 12:47pm | 7:00pm | 27 | 67% |
| UA 1741United Airlines | 3:53pm | 9:59pm | 10 | 52% |
| F9 1280Frontier Airlines | 11:40pm | 5:51am | 31 | 75% |
| AA 1737American Airlines | 11:45pm | 5:41am | 4 | 62% |
| AA 1292American Airlines | 11:55pm | 5:49am | 27 | 70% |
Is DEN to MIA on time?
From September 2025 to August 2026, 75% of 2,443 flights arrived within 15 minutes of schedule and 0.5% were cancelled. Flights leaving around 12pm were the most punctual (78%), those around 10am the least (71%). Most delay time was caused by late-arriving aircraft (37%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| American Airlines | 890 | 78% | 22 min | 1% |
| United Airlines | 877 | 76% | 15 min | 0% |
| Frontier Airlines | 353 | 74% | 17 min | 0.3% |
| Southwest Airlines | 323 | 65% | 19 min | 0.6% |
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 |
|---|---|---|---|
| 12am to 1am | 64 | 92% | |
| 7am to 8am | 92 | 84% | |
| 8am to 9am | 52 | 77% | |
| 9am to 10am | 272 | 77% | |
| 10am to 11am | 202 | 71% | |
| 11am to 12pm | 88 | 56% | |
| 12pm to 1pm | 343 | 78% | |
| 1pm to 2pm | 223 | 71% | |
| 2pm to 3pm | 62 | 77% | |
| 3pm to 4pm | 132 | 73% | |
| 4pm to 5pm | 94 | 81% | |
| 5pm to 6pm | 104 | 76% | |
| 11pm to 12am | 625 | 74% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 179 | 28,067 | |
| September 2025 | 157 | 24,743 | |
| October 2025 | 172 | 27,398 | |
| November 2025 | 202 | 30,279 | |
| December 2025 | 242 | 38,599 | |
| January 2026 | 248 | 39,088 | |
| February 2026 | 240 | 37,373 | |
| March 2026 | 274 | 42,535 | |
| April 2026 | 193 | 27,990 | |
| May 2026 | 179 | 28,334 | |
| June 2026 | 181 | 29,959 | |
| July 2026 | 181 | 29,760 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.