WN2310
WN2310 (Southwest Airlines) is a multi-stop service on 35 routes, busiest Chicago to Manchester. Of 827 departures recorded from October 2024 to July 2026, 76.0% left on time, according to the US BTS.
- On-time departures76.0%of 827 flights
- Average delay17.3 min
- July 202682▲ 156.3%vs July 2025
- Cancelled0.9%
- Legs flown under this number35
according to the US BTS · Oct 13, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 23 | 20 | ▼ 13.0% |
| February | 19 | 30 | ▲ 57.9% |
| March | 34 | 35 | ▲ 2.9% |
| April | 23 | 50 | ▲ 117.4% |
| May | 23 | 57 | ▲ 147.8% |
| June | 28 | 75 | ▲ 167.9% |
| July | 32 | 82 | ▲ 156.3% |
| August | 57 | – | – |
| September | 61 | – | – |
| October | 27 | – | in progress |
| November | 33 | – | – |
| December | 49 | – | – |
| Year to date (Jan–Jul) | 182 | 349 | ▲ 91.8% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 87.0% | 100.0% | ▲ 15.0% |
| February | 89.5% | 93.3% | ▲ 4.3% |
| March | 76.5% | 65.7% | ▼ 14.1% |
| April | 82.6% | 62.0% | ▼ 24.9% |
| May | 87.0% | 58.9% | ▼ 32.2% |
| June | 35.7% | 88.0% | ▲ 146.4% |
| July | 34.5% | 84.2% | ▲ 144.1% |
| August | 57.9% | – | – |
| September | 61.7% | – | – |
| October | 96.3% | – | in progress |
| November | 93.8% | – | – |
| December | 87.8% | – | – |
| Year-to-date average (Jan–Jul) | 70.4% | 78.9% | ▲ 12.1% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 1 | – |
| June | 0 | 0 | – |
| July | 3 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 1 | ▼ 66.7% |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
This number flies several legs
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 99.2% 820
- Cancelled 0.8% 7
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
99 of 9
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MDW MHT Chicago Midway International Airport – Manchester-Boston Regional Airport | 1,345 | 3.4 min | 89.2% | 103 |
| DCA STL Ronald Reagan Washington National Airport – St. Louis Lambert International Airport | 1,154 | 83.8 min | 34.5% | 61 |
| ONT DEN Ontario International Airport – Denver International Airport | 1,316 | 3.7 min | 93.2% | 59 |
| OAK SAN Oakland San Francisco Bay Airport – San Diego International Airport | 718 | 6.4 min | 86.0% | 57 |
| SAN LAS San Diego International Airport – Harry Reid International Airport | 417 | 20.1 min | 62.0% | 50 |
| TUS SAN Tucson International Airport – San Diego International Airport | 591 | 4.4 min | 95.2% | 42 |
| SAN SJC San Diego International Airport – Mineta San Jose International Airport | 671 | 24.4 min | 68.3% | 42 |
| PHX DEN Phoenix Sky Harbor International Airport – Denver International Airport | 968 | 10.4 min | 85.0% | 40 |
| LAX LAS Los Angeles International Airport – Harry Reid International Airport | 380 | -1.3 min | 100.0% | 35 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 10 | 10 | 80.0% | 0 |
| November 2024 | 28 | 28 | 92.9% | 0 |
| December 2024 | 31 | 30 | 93.3% | 1 |
| January 2025 | 23 | 23 | 87.0% | 0 |
| February 2025 | 19 | 19 | 89.5% | 0 |
| March 2025 | 34 | 34 | 76.5% | 0 |
| April 2025 | 23 | 23 | 82.6% | 0 |
| May 2025 | 23 | 23 | 87.0% | 0 |
| June 2025 | 28 | 28 | 35.7% | 0 |
| July 2025 | 32 | 29 | 34.5% | 3 |
| August 2025 | 57 | 57 | 57.9% | 0 |
| September 2025 | 61 | 60 | 61.7% | 1 |
| October 2025 | 27 | 27 | 96.3% | 0 |
| November 2025 | 33 | 32 | 93.8% | 1 |
| December 2025 | 49 | 49 | 87.8% | 0 |
| January 2026 | 20 | 20 | 100.0% | 0 |
| February 2026 | 30 | 30 | 93.3% | 0 |
| March 2026 | 35 | 35 | 65.7% | 0 |
| April 2026 | 50 | 50 | 62.0% | 0 |
| May 2026 | 57 | 56 | 58.9% | 1 |
| June 2026 | 75 | 75 | 88.0% | 0 |
| July 2026 | 82 | 82 | 84.2% | 0 |