Lubbock (LBB) to Denver (DEN) flights
SkyWest Airlines, Southwest Airlines fly nonstop from Lubbock Preston Smith International Airport to Denver International Airport, with about 20 flights a week in July 2026. The 456-mile flight takes about 1h 43m gate to gate.
- Distance
- 456 mi · 734 km
- Flight time
- 1h 43m
- Airlines
- 2
- Seats filled
- 77%
Airlines flying LBB to DEN
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| SkyWest Airlines | 13 | Bombardier CRJ550, Bombardier CRJ200, Embraer E170 | 29,800 | 1h 49m |
| Southwest Airlines | 7 | Boeing 737-700 / MAX 7, Boeing 737 MAX 8, Boeing 737-800 | 30,686 | 1h 29m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
LBB to DEN flight schedule
4 flight numbers flew this route in August 2026, 2 of them almost daily. The first usually leaves at 7:20am and the last at 5:20pm. 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 3210Southwest Airlines | 7:20am | 7:50am | 8 | n/a |
| UA 5791United Airlines · operated by SkyWest Airlines | 8:00am | 8:50am | 31 | 84% |
| WN 2392Southwest Airlines | 3:30pm | 4:00pm | 12 | 67% |
| UA 5989United Airlines · operated by SkyWest Airlines | 5:20pm | 6:15pm | 26 | 57% |
Is LBB to DEN on time?
From September 2025 to August 2026, 77% of 983 flights arrived within 15 minutes of schedule and 1.5% were cancelled. Flights leaving around 6am were the most punctual (94%), those around 5pm the least (57%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (52%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 701 | 72% | 29 min | 1.6% |
| Southwest Airlines | 282 | 90% | 8 min | 1.4% |
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 | 144 | 94% | |
| 7am to 8am | 83 | 93% | |
| 8am to 9am | 329 | 84% | |
| 12pm to 1pm | 51 | 82% | |
| 3pm to 4pm | 26 | 64% | |
| 5pm to 6pm | 313 | 57% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 79 | 4,659 | |
| September 2025 | 78 | 4,565 | |
| October 2025 | 79 | 5,206 | |
| November 2025 | 75 | 4,480 | |
| December 2025 | 79 | 4,576 | |
| January 2026 | 63 | 2,468 | |
| February 2026 | 74 | 3,319 | |
| March 2026 | 105 | 5,477 | |
| April 2026 | 87 | 5,484 | |
| May 2026 | 88 | 6,751 | |
| June 2026 | 86 | 6,534 | |
| July 2026 | 90 | 6,967 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.