Tulsa (TUL) to Denver (DEN) flights
SkyWest Airlines, Southwest Airlines, United Airlines fly nonstop from Tulsa International Airport to Denver International Airport, with about 53 flights a week in July 2026. The 541-mile flight takes about 1h 54m gate to gate.
- Distance
- 541 mi · 871 km
- Flight time
- 1h 54m
- Airlines
- 3
- Seats filled
- 73%
Airlines flying TUL to DEN
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| SkyWest Airlines | 26 | Embraer E175, Bombardier CRJ700, Bombardier CRJ550 | 65,618 | 2h 0m |
| Southwest Airlines | 21 | Boeing 737-700 / MAX 7, Boeing 737 MAX 8, Boeing 737-800 | 94,973 | 1h 44m |
| United Airlines | 7 | Airbus A319, Boeing 737-900ER, Airbus A320-100/200 | 43,130 | 2h 0m |
| Frontier AirlinesSeasonal or ended | n/a | Airbus A320neo, Airbus A321 | 5,018 | 1h 53m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
TUL to DEN flight schedule
14 flight numbers flew this route in August 2026, 4 of them almost daily. The first usually leaves at 6:00am and the last at 7:05pm. 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 5667United Airlines · operated by SkyWest Airlines | 6:00am | 7:00am | 31 | 94% |
| WN 4695Southwest Airlines | 6:40am | 7:25am | 12 | 92% |
| WN 4902Southwest Airlines | 7:30am | 8:10am | 16 | 94% |
| UA 797United Airlines | 9:13am | 10:12am | 21 | 83% |
| UA 1029United Airlines | 9:22am | 10:10am | 10 | 72% |
| UA 5276United Airlines · operated by SkyWest Airlines | 11:44am | 12:45pm | 31 | 85% |
| WN 14Southwest Airlines | 12:55pm | 1:35pm | 12 | 67% |
| WN 4055Southwest Airlines | 1:00pm | 1:40pm | 4 | n/a |
| UA 5914United Airlines · operated by SkyWest Airlines | 5:14pm | 6:25pm | 31 | 65% |
| WN 3337Southwest Airlines | 5:35pm | 6:20pm | 6 | n/a |
| WN 1226Southwest Airlines | 6:30pm | 7:15pm | 8 | n/a |
| WN 275Southwest Airlines | 6:55pm | 7:40pm | 12 | 36% |
| UA 5673United Airlines · operated by SkyWest Airlines | 7:05pm | 8:07pm | 15 | 33% |
| UA 6032United Airlines · operated by SkyWest Airlines | 7:05pm | 8:22pm | 7 | 74% |
Is TUL to DEN on time?
From September 2025 to August 2026, 80% of 2,474 flights arrived within 15 minutes of schedule and 1.1% were cancelled. Flights leaving around 6am were the most punctual (95%), those around 5pm the least (65%). Most delay time was caused by air traffic control and airport congestion (34%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 1,538 | 79% | 16 min | 1.1% |
| Southwest Airlines | 894 | 83% | 12 min | 1% |
| Frontier Airlines | 42 | 74% | 18 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 |
|---|---|---|---|
| 5am to 6am | 153 | 91% | |
| 6am to 7am | 438 | 95% | |
| 7am to 8am | 64 | 91% | |
| 8am to 9am | 86 | 93% | |
| 9am to 10am | 360 | 77% | |
| 11am to 12pm | 380 | 84% | |
| 12pm to 1pm | 58 | 79% | |
| 1pm to 2pm | 51 | 82% | |
| 5pm to 6pm | 377 | 65% | |
| 6pm to 7pm | 147 | 66% | |
| 7pm to 8pm | 202 | 67% | |
| 8pm to 9pm | 75 | 77% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 200 | 17,347 | |
| September 2025 | 197 | 17,827 | |
| October 2025 | 205 | 19,141 | |
| November 2025 | 198 | 15,765 | |
| December 2025 | 203 | 17,763 | |
| January 2026 | 188 | 13,955 | |
| February 2026 | 183 | 13,968 | |
| March 2026 | 194 | 16,807 | |
| April 2026 | 186 | 14,925 | |
| May 2026 | 210 | 18,647 | |
| June 2026 | 228 | 21,309 | |
| July 2026 | 235 | 21,344 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.