Denver (DEN) to Phoenix (PHX) flights
Southwest Airlines, United Airlines, Frontier Airlines, American Airlines fly nonstop from Denver International Airport to Phoenix Sky Harbor International Airport, with about 157 flights a week in July 2026. The 602-mile flight takes about 1h 55m gate to gate.
- Distance
- 602 mi · 969 km
- Flight time
- 1h 55m
- Airlines
- 4
- Seats filled
- 78%
Airlines flying DEN to PHX
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 78 | Boeing 737 MAX 8, Boeing 737-700 / MAX 7, Boeing 737-800 | 483,235 | 1h 51m |
| United Airlines | 33 | Boeing 737-900ER, Airbus A321, Boeing 737-800 | 352,774 | 1h 56m |
| Frontier Airlines | 27 | Airbus A320neo, Airbus A321, Airbus A320-100/200 | 250,583 | 1h 59m |
| American Airlines | 20 | Airbus A320-100/200, Boeing 737-800, Airbus A321 | 110,338 | 1h 57m |
| Envoy AirSeasonal or ended | n/a | Embraer E175 | 10,486 | 2h 1m |
| SkyWest AirlinesSeasonal or ended | n/a | Embraer E175, Bombardier CRJ200, Bombardier CRJ700 | 917 | 2h 16m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
DEN to PHX flight schedule
43 flight numbers flew this route in August 2026, 15 of them almost daily. The first usually leaves at 6:40am and the last at 10:36pm. 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) |
|---|---|---|---|---|
| WN 375Southwest Airlines | 6:40am | 7:35am | 12 | 100% |
| F9 1747Frontier Airlines | 6:45am | 7:40am | 31 | 82% |
| WN 399Southwest Airlines | 7:20am | 8:15am | 16 | 81% |
| UA 1481United Airlines | 8:05am | 9:04am | 31 | 85% |
| WN 644Southwest Airlines | 8:10am | 9:15am | 12 | 100% |
| AA 1404American Airlines | 8:29am | 9:30am | 31 | 77% |
| WN 1638Southwest Airlines | 9:05am | 10:00am | 4 | n/a |
| WN 281Southwest Airlines | 9:10am | 10:05am | 12 | 100% |
| F9 2141Frontier Airlines | 9:15am | 10:11am | 31 | 86% |
| UA 1584United Airlines | 9:38am | 10:37am | 18 | 100% |
| WN 4295Southwest Airlines | 10:00am | 11:05am | 9 | n/a |
| WN 962Southwest Airlines | 10:15am | 11:25am | 8 | n/a |
| WN 4486Southwest Airlines | 10:25am | 11:30am | 5 | n/a |
| UA 1686United Airlines | 11:29am | 12:28pm | 31 | 87% |
| WN 225Southwest Airlines | 11:40am | 12:40pm | 7 | n/a |
| WN 310Southwest Airlines | 12:05pm | 1:05pm | 12 | 90% |
| AA 1757American Airlines | 12:15pm | 1:08pm | 4 | 80% |
| AA 1332American Airlines | 12:19pm | 1:10pm | 27 | 93% |
| F9 2105Frontier Airlines | 12:22pm | 1:17pm | 8 | 85% |
| WN 468Southwest Airlines | 1:15pm | 2:10pm | 20 | 63% |
| WN 4794Southwest Airlines | 1:25pm | 2:25pm | 4 | n/a |
| UA 631United Airlines | 1:58pm | 2:57pm | 15 | 87% |
| WN 287Southwest Airlines | 2:00pm | 3:05pm | 8 | n/a |
| WN 1625Southwest Airlines | 2:50pm | 3:45pm | 28 | 61% |
| WN 3292Southwest Airlines | 3:35pm | 4:30pm | 4 | n/a |
| AA 6185American Airlines · operated by SkyWest Airlines | 3:41pm | 4:44pm | 15 | 73% |
| AA 1499American Airlines | 3:59pm | 5:01pm | 4 | n/a |
| UA 1254United Airlines | 4:11pm | 5:10pm | 31 | 80% |
| WN 1629Southwest Airlines | 4:15pm | 5:15pm | 28 | 68% |
| WN 427Southwest Airlines | 4:40pm | 5:35pm | 4 | n/a |
| WN 121Southwest Airlines | 5:00pm | 5:55pm | 12 | 25% |
| WN 1634Southwest Airlines | 5:30pm | 6:30pm | 24 | 50% |
| AA 1638American Airlines | 6:56pm | 7:52pm | 4 | 51% |
| WN 1637Southwest Airlines | 7:05pm | 8:00pm | 20 | 44% |
| WN 127Southwest Airlines | 7:20pm | 8:20pm | 16 | 47% |
| UA 1729United Airlines | 7:25pm | 8:24pm | 31 | 72% |
| AA 2602American Airlines | 8:27pm | 9:20pm | 4 | n/a |
| F9 4765Frontier Airlines | 8:31pm | 9:28pm | 20 | 64% |
| WN 4329Southwest Airlines | 8:40pm | 9:35pm | 12 | 33% |
| WN 834Southwest Airlines | 8:55pm | 9:55pm | 4 | n/a |
| UA 1236United Airlines | 9:10pm | 10:09pm | 19 | 67% |
| WN 1655Southwest Airlines | 10:05pm | 10:55pm | 4 | n/a |
| F9 4753Frontier Airlines | 10:36pm | 11:39pm | 27 | 64% |
Is DEN to PHX on time?
From September 2025 to August 2026, 76% of 9,069 flights arrived within 15 minutes of schedule and 0.8% were cancelled. Flights leaving around 6am were the most punctual (93%), those around 8pm the least (56%). Most delay time was caused by late-arriving aircraft (48%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 3,989 | 72% | 17 min | 1.1% |
| United Airlines | 2,391 | 82% | 13 min | 0.3% |
| Frontier Airlines | 1,499 | 77% | 17 min | 0.8% |
| American Airlines | 1,190 | 75% | 32 min | 1% |
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 |
|---|---|---|---|
| 6am to 7am | 488 | 93% | |
| 7am to 8am | 767 | 84% | |
| 8am to 9am | 597 | 85% | |
| 9am to 10am | 671 | 88% | |
| 10am to 11am | 343 | 84% | |
| 11am to 12pm | 579 | 82% | |
| 12pm to 1pm | 571 | 81% | |
| 1pm to 2pm | 512 | 79% | |
| 2pm to 3pm | 527 | 71% | |
| 3pm to 4pm | 476 | 74% | |
| 4pm to 5pm | 479 | 72% | |
| 5pm to 6pm | 509 | 65% | |
| 6pm to 7pm | 488 | 59% | |
| 7pm to 8pm | 703 | 69% | |
| 8pm to 9pm | 522 | 56% | |
| 9pm to 10pm | 332 | 64% | |
| 10pm to 11pm | 324 | 59% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 607 | 84,581 | |
| September 2025 | 655 | 93,974 | |
| October 2025 | 802 | 114,718 | |
| November 2025 | 754 | 102,064 | |
| December 2025 | 773 | 105,049 | |
| January 2026 | 730 | 99,567 | |
| February 2026 | 720 | 99,563 | |
| March 2026 | 914 | 125,912 | |
| April 2026 | 824 | 103,278 | |
| May 2026 | 770 | 101,149 | |
| June 2026 | 680 | 88,624 | |
| July 2026 | 696 | 89,932 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.