WN2770
WN2770 (Southwest Airlines) is a multi-stop service on 24 routes, busiest Chicago to Denver. Of 560 departures recorded from October 2024 to July 2026, 68.0% left on time, according to the US BTS.
- On-time departures68.0%of 560 flights
- Average delay19.1 min
- July 202630▲ 30.4%vs July 2025
- Cancelled0.5%
- Legs flown under this number24
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 | 31 | ▲ 121.4% |
| February | 17 | 35 | ▲ 105.9% |
| March | 28 | 28 | 0.0% |
| April | 18 | 29 | ▲ 61.1% |
| May | 12 | 29 | ▲ 141.7% |
| June | 21 | 30 | ▲ 42.9% |
| July | 23 | 30 | ▲ 30.4% |
| August | 35 | – | – |
| September | 39 | – | – |
| October | 30 | – | in progress |
| November | 14 | – | – |
| December | 25 | – | – |
| Year to date (Jan–Jul) | 133 | 212 | ▲ 59.4% |
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 | 85.7% | 77.4% | ▼ 9.7% |
| February | 70.6% | 91.4% | ▲ 29.5% |
| March | 66.7% | 78.6% | ▲ 17.8% |
| April | 50.0% | 65.5% | ▲ 31.0% |
| May | 75.0% | 62.1% | ▼ 17.2% |
| June | 66.7% | 36.7% | ▼ 45.0% |
| July | 52.2% | 42.9% | ▼ 17.8% |
| August | 85.7% | – | – |
| September | 89.7% | – | – |
| October | 50.0% | – | in progress |
| November | 78.6% | – | – |
| December | 76.0% | – | – |
| Year-to-date average (Jan–Jul) | 66.7% | 64.9% | ▼ 2.6% |
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 | 1 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 2 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 2 | ▲ 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% 557
- Cancelled 0.5% 3
Share of all recorded flights in the period, all legs. · Oct 14, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MDW DEN Chicago Midway International Airport – Denver International Airport | 1,438 | 43.8 min | 38.2% | 57 |
| MDW STL Chicago Midway International Airport – St. Louis Lambert International Airport | 404 | 3.6 min | 88.7% | 53 |
| HOU SAT William P. Hobby Airport – San Antonio International Airport | 309 | -0.4 min | 95.9% | 49 |
| DEN SFO Denver International Airport – San Francisco International Airport | 1,553 | 33.1 min | 58.1% | 43 |
| EUG SJC Eugene Airport – Mineta San Jose International Airport | 760 | 18.7 min | 61.8% | 34 |
| DEN SAT Denver International Airport – San Antonio International Airport | 1,280 | 33.8 min | 50.0% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 13 | 13 | 69.2% | 0 |
| November 2024 | 33 | 33 | 63.6% | 0 |
| December 2024 | 26 | 26 | 57.7% | 0 |
| January 2025 | 14 | 14 | 85.7% | 0 |
| February 2025 | 17 | 17 | 70.6% | 0 |
| March 2025 | 28 | 27 | 66.7% | 1 |
| April 2025 | 18 | 18 | 50.0% | 0 |
| May 2025 | 12 | 12 | 75.0% | 0 |
| June 2025 | 21 | 21 | 66.7% | 0 |
| July 2025 | 23 | 23 | 52.2% | 0 |
| August 2025 | 35 | 35 | 85.7% | 0 |
| September 2025 | 39 | 39 | 89.7% | 0 |
| October 2025 | 30 | 30 | 50.0% | 0 |
| November 2025 | 14 | 14 | 78.6% | 0 |
| December 2025 | 25 | 25 | 76.0% | 0 |
| January 2026 | 31 | 31 | 77.4% | 0 |
| February 2026 | 35 | 35 | 91.4% | 0 |
| March 2026 | 28 | 28 | 78.6% | 0 |
| April 2026 | 29 | 29 | 65.5% | 0 |
| May 2026 | 29 | 29 | 62.1% | 0 |
| June 2026 | 30 | 30 | 36.7% | 0 |
| July 2026 | 30 | 28 | 42.9% | 2 |