WN3420
WN3420 (Southwest Airlines) is a multi-stop service on 32 routes, busiest Denver to Minneapolis. Of 618 departures recorded from October 2024 to July 2026, 76.0% left on time, according to the US BTS.
- On-time departures76.0%of 618 flights
- Average delay12.5 min
- July 202631▲ 675.0%vs July 2025
- Cancelled0.8%
- Legs flown under this number32
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 36 | 7 | ▼ 80.6% |
| February | 33 | – | – |
| March | 37 | 27 | ▼ 27.0% |
| April | 64 | 9 | ▼ 85.9% |
| May | 63 | 11 | ▼ 82.5% |
| June | 16 | 28 | ▲ 75.0% |
| July | 4 | 31 | ▲ 675.0% |
| August | 52 | – | – |
| September | 55 | – | – |
| October | 18 | – | in progress |
| November | 30 | – | – |
| December | 40 | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 85.7% | 85.7% | 0.0% |
| February | 87.9% | – | – |
| March | 70.3% | 42.3% | ▼ 39.8% |
| April | 81.0% | 55.6% | ▼ 31.4% |
| May | 77.8% | 72.7% | ▼ 6.5% |
| June | 68.8% | 89.3% | ▲ 29.9% |
| July | 25.0% | 87.1% | ▲ 248.4% |
| August | 73.1% | – | – |
| September | 83.6% | – | – |
| October | 50.0% | – | in progress |
| November | 60.7% | – | – |
| December | 75.0% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 0 | ▼ 100.0% |
| February | 0 | – | – |
| March | 0 | 1 | – |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 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 99.2% 613
- Cancelled 0.8% 5
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| RNO LAX Reno Tahoe International Airport – Los Angeles International Airport | 630 | 8.7 min | 82.8% | 58 |
| LGB LAS Long Beach International Airport – Harry Reid International Airport | 372 | 0.2 min | 93.1% | 58 |
| DEN MSP Denver International Airport – Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field | 1,092 | 3.1 min | 87.9% | 58 |
| BWI DAL Baltimore/Washington International Thurgood Marshall Airport – Dallas Love Field | 1,942 | 9.7 min | 81.0% | 58 |
| LAS DAL Harry Reid International Airport – Dallas Love Field | 1,714 | 17.8 min | 62.8% | 45 |
| IND RSW Indianapolis International Airport – Southwest Florida International Airport | 1,525 | 21.3 min | 50.0% | 33 |
| HOU SAT William P. Hobby Airport – San Antonio International Airport | 309 | 25.9 min | 60.6% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 3 | 3 | 33.3% | 0 |
| November 2024 | 26 | 26 | 96.2% | 0 |
| December 2024 | 28 | 28 | 75.0% | 0 |
| January 2025 | 36 | 35 | 85.7% | 1 |
| February 2025 | 33 | 33 | 87.9% | 0 |
| March 2025 | 37 | 37 | 70.3% | 0 |
| April 2025 | 64 | 63 | 81.0% | 1 |
| May 2025 | 63 | 63 | 77.8% | 0 |
| June 2025 | 16 | 16 | 68.8% | 0 |
| July 2025 | 4 | 4 | 25.0% | 0 |
| August 2025 | 52 | 52 | 73.1% | 0 |
| September 2025 | 55 | 55 | 83.6% | 0 |
| October 2025 | 18 | 18 | 50.0% | 0 |
| November 2025 | 30 | 28 | 60.7% | 2 |
| December 2025 | 40 | 40 | 75.0% | 0 |
| January 2026 | 7 | 7 | 85.7% | 0 |
| March 2026 | 27 | 26 | 42.3% | 1 |
| April 2026 | 9 | 9 | 55.6% | 0 |
| May 2026 | 11 | 11 | 72.7% | 0 |
| June 2026 | 28 | 28 | 89.3% | 0 |
| July 2026 | 31 | 31 | 87.1% | 0 |