Denver (DEN) to Long Beach (LGB) flights
Southwest Airlines flies nonstop from Denver International Airport to Long Beach International Airport, with about 20 flights a week in July 2026. The 854-mile flight takes about 2h 22m gate to gate.
- Distance
- 854 mi · 1,374 km
- Flight time
- 2h 22m
- Airlines
- 1
- Seats filled
- 81%
Airlines flying DEN to LGB
| 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 | 131,139 | 2h 22m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
DEN to LGB flight schedule
5 flight numbers flew this route in August 2026, 2 of them almost daily. The first usually leaves at 9:05am and the last at 7:25pm. 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 1541Southwest Airlines | 9:05am | 10:30am | 24 | 88% |
| WN 4297Southwest Airlines | 2:35pm | 4:00pm | 4 | n/a |
| WN 4243Southwest Airlines | 3:00pm | 4:25pm | 8 | n/a |
| WN 3438Southwest Airlines | 4:55pm | 6:20pm | 16 | 73% |
| WN 1261Southwest Airlines | 7:25pm | 8:55pm | 25 | 56% |
Is DEN to LGB on time?
From September 2025 to August 2026, 73% of 1,005 flights arrived within 15 minutes of schedule and 0.6% were cancelled. Flights leaving around 8am were the most punctual (95%), those around 6pm the least (57%). Most delay time was caused by late-arriving aircraft (55%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 1,005 | 73% | 14 min | 0.6% |
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 |
|---|---|---|---|
| 7am to 8am | 58 | 76% | |
| 8am to 9am | 178 | 95% | |
| 9am to 10am | 64 | 84% | |
| 10am to 11am | 32 | 88% | |
| 11am to 12pm | 35 | 62% | |
| 1pm to 2pm | 128 | 72% | |
| 2pm to 3pm | 98 | 71% | |
| 3pm to 4pm | 52 | 67% | |
| 4pm to 5pm | 39 | 55% | |
| 5pm to 6pm | 55 | 75% | |
| 6pm to 7pm | 214 | 57% | |
| 7pm to 8pm | 47 | 59% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 89 | 10,331 | |
| September 2025 | 86 | 9,631 | |
| October 2025 | 79 | 10,486 | |
| November 2025 | 81 | 10,626 | |
| December 2025 | 79 | 10,620 | |
| January 2026 | 67 | 8,058 | |
| February 2026 | 66 | 7,552 | |
| March 2026 | 90 | 11,996 | |
| April 2026 | 90 | 12,404 | |
| May 2026 | 93 | 13,081 | |
| June 2026 | 89 | 12,937 | |
| July 2026 | 89 | 13,417 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.