Long Beach (LGB) to Denver (DEN) flights
Southwest Airlines flies nonstop from Long Beach International Airport to Denver International Airport, with about 20 flights a week in July 2026. The 854-mile flight takes about 2h 12m gate to gate.
- Distance
- 854 mi · 1,374 km
- Flight time
- 2h 12m
- Airlines
- 1
- Seats filled
- 78%
Airlines flying LGB to DEN
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 20 | Boeing 737 MAX 8, Boeing 737-700 / MAX 7, Boeing 737-800 | 128,182 | 2h 12m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
LGB to DEN flight schedule
4 flight numbers flew this route in August 2026, 2 of them almost daily. The first usually leaves at 7:00am and the last at 1:25pm. 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 2429Southwest Airlines | 7:00am | 10:15am | 28 | 63% |
| WN 4659Southwest Airlines | 11:10am | 2:25pm | 28 | 89% |
| WN 4966Southwest Airlines | 11:15am | 2:30pm | 12 | 93% |
| WN 1263Southwest Airlines | 1:25pm | 4:45pm | 12 | 64% |
Is LGB to DEN on time?
From September 2025 to August 2026, 82% of 1,007 flights arrived within 15 minutes of schedule and 0.1% were cancelled. Flights leaving around 7am were the most punctual (95%), those around 3pm the least (61%). Most delay time was caused by air traffic control and airport congestion (42%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 1,007 | 82% | 12 min | 0.1% |
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 | 213 | 92% | |
| 7am to 8am | 130 | 95% | |
| 8am to 9am | 22 | 91% | |
| 9am to 10am | 151 | 90% | |
| 10am to 11am | 57 | 86% | |
| 11am to 12pm | 50 | 88% | |
| 1pm to 2pm | 81 | 72% | |
| 2pm to 3pm | 176 | 63% | |
| 3pm to 4pm | 54 | 61% | |
| 4pm to 5pm | 57 | 77% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 88 | 10,497 | |
| September 2025 | 86 | 9,235 | |
| October 2025 | 80 | 10,457 | |
| November 2025 | 81 | 9,530 | |
| December 2025 | 80 | 9,693 | |
| January 2026 | 67 | 8,240 | |
| February 2026 | 66 | 7,781 | |
| March 2026 | 92 | 11,701 | |
| April 2026 | 91 | 12,378 | |
| May 2026 | 94 | 12,424 | |
| June 2026 | 90 | 13,121 | |
| July 2026 | 89 | 13,125 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.