Phoenix (PHX) to Denver (DEN) flights
Southwest Airlines, United Airlines, Frontier Airlines, American Airlines fly nonstop from Phoenix Sky Harbor International Airport to Denver International Airport, with about 152 flights a week in July 2026. The 602-mile flight takes about 1h 46m gate to gate.
- Distance
- 602 mi · 969 km
- Flight time
- 1h 46m
- Airlines
- 4
- Seats filled
- 79%
Airlines flying PHX to DEN
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 73 | Boeing 737 MAX 8, Boeing 737-700 / MAX 7, Boeing 737-800 | 485,526 | 1h 41m |
| United Airlines | 33 | Boeing 737-900ER, Boeing 737-800, Airbus A321 | 349,608 | 1h 50m |
| Frontier Airlines | 26 | Airbus A320neo, Airbus A321, Airbus A320-100/200 | 250,163 | 1h 51m |
| American Airlines | 20 | Airbus A320-100/200, Boeing 737-800, Airbus A321 | 111,557 | 1h 49m |
| SkyWest AirlinesSeasonal or ended | n/a | Embraer E175, Bombardier CRJ700, Bombardier CRJ200 | 876 | 2h 1m |
| Envoy AirSeasonal or ended | n/a | Embraer E175 | 11,013 | 1h 52m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
PHX to DEN flight schedule
43 flight numbers flew this route in August 2026, 13 of them almost daily. The first usually leaves at 5:45am and the last at 9:45pm. 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 472Southwest Airlines | 5:45am | 8:30am | 28 | 96% |
| UA 337United Airlines | 6:00am | 8:55am | 31 | 93% |
| WN 3189Southwest Airlines | 6:20am | 9:05am | 12 | 100% |
| WN 1009Southwest Airlines | 6:35am | 9:20am | 4 | n/a |
| F9 1376Frontier Airlines | 6:40am | 9:39am | 23 | 89% |
| WN 3190Southwest Airlines | 7:15am | 10:00am | 28 | 75% |
| WN 2998Southwest Airlines | 8:00am | 10:45am | 4 | n/a |
| WN 263Southwest Airlines | 8:05am | 10:45am | 12 | 67% |
| AA 1757American Airlines | 8:32am | 11:27am | 4 | 90% |
| F9 4768Frontier Airlines | 8:40am | 11:38am | 24 | 84% |
| AA 1332American Airlines | 8:42am | 11:34am | 27 | 89% |
| WN 3194Southwest Airlines | 8:55am | 11:50am | 8 | n/a |
| UA 597United Airlines | 9:08am | 12:00pm | 10 | 86% |
| WN 3191Southwest Airlines | 9:15am | 12:10pm | 16 | 56% |
| UA 2680United Airlines | 9:23am | 12:18pm | 21 | 91% |
| WN 3192Southwest Airlines | 11:10am | 1:55pm | 24 | 58% |
| WN 573Southwest Airlines | 11:20am | 2:05pm | 4 | n/a |
| F9 1748Frontier Airlines | 11:21am | 2:17pm | 10 | 79% |
| UA 1658United Airlines | 11:32am | 2:28pm | 18 | 88% |
| AA 6185American Airlines · operated by SkyWest Airlines | 12:15pm | 3:11pm | 15 | 80% |
| AA 1499American Airlines | 12:17pm | 3:09pm | 4 | n/a |
| WN 935Southwest Airlines | 12:25pm | 3:10pm | 9 | n/a |
| WN 3042Southwest Airlines | 1:15pm | 4:00pm | 8 | n/a |
| WN 2366Southwest Airlines | 1:30pm | 4:15pm | 12 | 75% |
| UA 1615United Airlines | 1:31pm | 4:27pm | 10 | 74% |
| UA 709United Airlines | 1:34pm | 4:30pm | 21 | 81% |
| F9 4766Frontier Airlines | 2:15pm | 5:10pm | 7 | 84% |
| WN 3300Southwest Airlines | 2:20pm | 5:05pm | 16 | 31% |
| WN 4783Southwest Airlines | 2:30pm | 5:15pm | 8 | n/a |
| UA 2093United Airlines | 3:19pm | 6:15pm | 15 | 20% |
| WN 4345Southwest Airlines | 3:25pm | 6:10pm | 16 | 25% |
| AA 2602American Airlines | 3:36pm | 6:29pm | 8 | n/a |
| F9 2142Frontier Airlines | 4:48pm | 7:46pm | 31 | 67% |
| UA 624United Airlines | 4:49pm | 7:45pm | 31 | 70% |
| WN 2442Southwest Airlines | 5:05pm | 7:50pm | 4 | n/a |
| WN 4346Southwest Airlines | 5:30pm | 8:15pm | 19 | 29% |
| WN 4842Southwest Airlines | 6:10pm | 8:55pm | 4 | n/a |
| WN 4661Southwest Airlines | 6:35pm | 9:20pm | 12 | 50% |
| AA 1638American Airlines | 6:50pm | 9:42pm | 27 | 67% |
| F9 1820Frontier Airlines | 6:53pm | 9:49pm | 27 | 72% |
| UA 1745United Airlines | 6:55pm | 9:51pm | 19 | 71% |
| WN 4347Southwest Airlines | 8:50pm | 11:35pm | 16 | 20% |
| AA 3255American Airlines | 9:45pm | 12:37am | 4 | 64% |
Is PHX to DEN on time?
From September 2025 to August 2026, 77% of 9,012 flights arrived within 15 minutes of schedule and 0.7% were cancelled. Flights leaving around 6am were the most punctual (94%), those around 3pm the least (63%). Most delay time was caused by late-arriving aircraft (46%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 3,934 | 72% | 17 min | 0.7% |
| United Airlines | 2,392 | 83% | 14 min | 0.5% |
| Frontier Airlines | 1,494 | 79% | 20 min | 0.7% |
| American Airlines | 1,192 | 76% | 18 min | 0.8% |
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 |
|---|---|---|---|
| 5am to 6am | 219 | 97% | |
| 6am to 7am | 779 | 94% | |
| 7am to 8am | 514 | 90% | |
| 8am to 9am | 730 | 87% | |
| 9am to 10am | 732 | 84% | |
| 10am to 11am | 363 | 84% | |
| 11am to 12pm | 434 | 80% | |
| 12pm to 1pm | 653 | 83% | |
| 1pm to 2pm | 606 | 72% | |
| 2pm to 3pm | 430 | 65% | |
| 3pm to 4pm | 637 | 63% | |
| 4pm to 5pm | 847 | 66% | |
| 5pm to 6pm | 336 | 62% | |
| 6pm to 7pm | 647 | 65% | |
| 7pm to 8pm | 422 | 76% | |
| 8pm to 9pm | 276 | 64% | |
| 9pm to 10pm | 272 | 65% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 609 | 82,630 | |
| September 2025 | 658 | 93,537 | |
| October 2025 | 801 | 108,527 | |
| November 2025 | 754 | 104,133 | |
| December 2025 | 762 | 103,166 | |
| January 2026 | 727 | 97,236 | |
| February 2026 | 720 | 97,607 | |
| March 2026 | 918 | 127,515 | |
| April 2026 | 826 | 109,710 | |
| May 2026 | 765 | 106,527 | |
| June 2026 | 676 | 93,161 | |
| July 2026 | 672 | 85,154 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.