WN2621
WN2621 (Southwest Airlines) is a multi-stop service on 29 routes, busiest Denver to Memphis. Of 612 departures recorded from October 2024 to July 2026, 70.3% left on time, according to the US BTS.
- On-time departures70.3%of 612 flights
- Average delay17.8 min
- July 202617▼ 60.5%vs July 2025
- Cancelled0.5%
- Legs flown under this number29
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 14 | 34 | ▲ 142.9% |
| February | 19 | 31 | ▲ 63.2% |
| March | 41 | 24 | ▼ 41.5% |
| April | 33 | 23 | ▼ 30.3% |
| May | 31 | 23 | ▼ 25.8% |
| June | 42 | 18 | ▼ 57.1% |
| July | 43 | 17 | ▼ 60.5% |
| August | 33 | – | – |
| September | 30 | – | – |
| October | 1 | – | in progress |
| November | 33 | – | – |
| December | 42 | – | – |
| Year to date (Jan–Jul) | 223 | 170 | ▼ 23.8% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods19 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 57.1% | 58.8% | ▲ 2.9% |
| February | 94.7% | 45.2% | ▼ 52.3% |
| March | 85.4% | 50.0% | ▼ 41.4% |
| April | 81.8% | 69.6% | ▼ 15.0% |
| May | 96.8% | 78.3% | ▼ 19.1% |
| June | 46.3% | 83.3% | ▲ 79.8% |
| July | 34.9% | 88.2% | ▲ 153.0% |
| August | 84.9% | – | – |
| September | 90.0% | – | – |
| October | 100.0% | – | in progress |
| November | 68.8% | – | – |
| December | 61.0% | – | – |
| Year-to-date average (Jan–Jul) | 71.0% | 67.6% | ▼ 4.8% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 1 | 0 | ▼ 100.0% |
according to the US BTS · October 2024 → July 2026
This is a historical record of departures already flown, not a forecast for your flight.
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 99.5% 609
- Cancelled 0.5% 3
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 29, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
8| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DEN MEM Denver International Airport – Frederick W. Smith International Airport | 1,401 | 63.1 min | 28.3% | 61 |
| OAK PHX Oakland San Francisco Bay Airport – Phoenix Sky Harbor International Airport | 1,039 | 5.4 min | 91.4% | 58 |
| MCO SAT Orlando International Airport – San Antonio International Airport | 1,672 | 28.3 min | 51.7% | 58 |
| DEN SAN Denver International Airport – San Diego International Airport | 1,371 | 2.4 min | 93.0% | 57 |
| MDW CHS Chicago Midway International Airport – Charleston International Airport | 1,200 | 7.4 min | 87.2% | 47 |
| BUR PHX Hollywood Burbank/Bob Hope Airport – Phoenix Sky Harbor International Airport | 593 | 8.2 min | 77.8% | 46 |
| LAS LAX Harry Reid International Airport – Los Angeles International Airport | 380 | 8.5 min | 76.2% | 42 |
| RNO LAS Reno Tahoe International Airport – Harry Reid International Airport | 556 | 19.0 min | 81.8% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 75.0% | 0 |
| November 2024 | 34 | 34 | 88.2% | 0 |
| December 2024 | 26 | 26 | 69.2% | 0 |
| January 2025 | 14 | 14 | 57.1% | 0 |
| February 2025 | 19 | 19 | 94.7% | 0 |
| March 2025 | 41 | 41 | 85.4% | 0 |
| April 2025 | 33 | 33 | 81.8% | 0 |
| May 2025 | 31 | 31 | 96.8% | 0 |
| June 2025 | 42 | 41 | 46.3% | 1 |
| July 2025 | 43 | 43 | 34.9% | 0 |
| August 2025 | 33 | 33 | 84.9% | 0 |
| September 2025 | 30 | 30 | 90.0% | 0 |
| October 2025 | 1 | 1 | 100.0% | 0 |
| November 2025 | 33 | 32 | 68.8% | 1 |
| December 2025 | 42 | 41 | 61.0% | 1 |
| January 2026 | 34 | 34 | 58.8% | 0 |
| February 2026 | 31 | 31 | 45.2% | 0 |
| March 2026 | 24 | 24 | 50.0% | 0 |
| April 2026 | 23 | 23 | 69.6% | 0 |
| May 2026 | 23 | 23 | 78.3% | 0 |
| June 2026 | 18 | 18 | 83.3% | 0 |
| July 2026 | 17 | 17 | 88.2% | 0 |