Denver (DEN) to Lubbock (LBB) flights
SkyWest Airlines, Southwest Airlines fly nonstop from Denver International Airport to Lubbock Preston Smith International Airport, with about 20 flights a week in July 2026. The 456-mile flight takes about 1h 31m gate to gate.
- Distance
- 456 mi · 734 km
- Flight time
- 1h 31m
- Airlines
- 2
- Seats filled
- 76%
Airlines flying DEN to LBB
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| SkyWest Airlines | 13 | Bombardier CRJ550, Bombardier CRJ200, Embraer E170 | 30,293 | 1h 34m |
| Southwest Airlines | 7 | Boeing 737-700 / MAX 7, Boeing 737-800, Boeing 737 MAX 8 | 29,050 | 1h 22m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
DEN to LBB flight schedule
4 flight numbers flew this route in August 2026, 2 of them almost daily. The first usually leaves at 2:02pm and the last at 8:55pm. 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) |
|---|---|---|---|---|
| UA 5421United Airlines · operated by SkyWest Airlines | 2:02pm | 4:40pm | 31 | 79% |
| WN 282Southwest Airlines | 5:10pm | 7:35pm | 8 | n/a |
| UA 5428United Airlines · operated by SkyWest Airlines | 7:10pm | 9:48pm | 26 | 70% |
| WN 419Southwest Airlines | 8:55pm | 11:25pm | 12 | 9% |
Is DEN to LBB on time?
From September 2025 to August 2026, 71% of 980 flights arrived within 15 minutes of schedule and 1.6% were cancelled. Flights leaving around 1pm were the most punctual (80%), those around 7pm the least (66%). Most delay time was caused by late-arriving aircraft (51%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 700 | 76% | 25 min | 1.4% |
| Southwest Airlines | 280 | 60% | 29 min | 2.1% |
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 |
|---|---|---|---|
| 9am to 10am | 46 | 93% | |
| 1pm to 2pm | 268 | 80% | |
| 2pm to 3pm | 118 | 78% | |
| 5pm to 6pm | 29 | 62% | |
| 6pm to 7pm | 31 | 68% | |
| 7pm to 8pm | 391 | 66% | |
| 8pm to 9pm | 30 | 38% | |
| 9pm to 10pm | 28 | 39% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 82 | 5,286 | |
| September 2025 | 78 | 4,933 | |
| October 2025 | 79 | 5,418 | |
| November 2025 | 74 | 4,121 | |
| December 2025 | 79 | 4,032 | |
| January 2026 | 61 | 2,991 | |
| February 2026 | 75 | 3,727 | |
| March 2026 | 107 | 5,452 | |
| April 2026 | 87 | 5,184 | |
| May 2026 | 85 | 6,086 | |
| June 2026 | 87 | 6,125 | |
| July 2026 | 88 | 6,154 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.