WN2597
WN2597 (Southwest Airlines) is a multi-stop service on 22 routes, busiest Chicago to Pittsburgh. Of 534 departures recorded from October 2024 to July 2026, 70.5% left on time, according to the US BTS.
- On-time departures70.5%of 534 flights
- Average delay16.0 min
- July 202622▼ 26.7%vs July 2025
- Cancelled1.1%
- Legs flown under this number22
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 | 23 | 36 | ▲ 56.5% |
| February | 20 | 26 | ▲ 30.0% |
| March | 20 | 15 | ▼ 25.0% |
| April | 27 | 36 | ▲ 33.3% |
| May | 31 | 44 | ▲ 41.9% |
| June | 29 | 24 | ▼ 17.2% |
| July | 30 | 22 | ▼ 26.7% |
| August | 16 | – | – |
| September | 13 | – | – |
| October | 1 | – | in progress |
| November | 28 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 180 | 203 | ▲ 12.8% |
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 | 73.9% | 79.4% | ▲ 7.4% |
| February | 89.5% | 53.9% | ▼ 39.8% |
| March | 70.0% | 66.7% | ▼ 4.8% |
| April | 77.8% | 75.0% | ▼ 3.6% |
| May | 87.1% | 45.5% | ▼ 47.8% |
| June | 96.6% | 37.5% | ▼ 61.2% |
| July | 96.6% | 45.5% | ▼ 52.9% |
| August | 68.8% | – | – |
| September | 92.3% | – | – |
| October | 100.0% | – | in progress |
| November | 53.9% | – | – |
| December | 48.4% | – | – |
| Year-to-date average (Jan–Jul) | 84.5% | 57.6% | ▼ 31.8% |
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 | 2 | – |
| February | 1 | 0 | ▼ 100.0% |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 2 | 0.0% |
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 98.9% 528
- Cancelled 1.1% 6
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 |
|---|---|---|---|---|
| MDW PIT Chicago Midway International Airport – Pittsburgh International Airport | 646 | 12.4 min | 78.2% | 88 |
| DEN PHX Denver International Airport – Phoenix Sky Harbor International Airport | 968 | 32.7 min | 48.4% | 64 |
| MCI DAL Kansas City International Airport – Dallas Love Field | 743 | 21.3 min | 62.1% | 58 |
| SJC SNA Mineta San Jose International Airport – John Wayne Orange County International Airport | 550 | 5.8 min | 80.0% | 50 |
| MCO AUS Orlando International Airport – Austin Bergstrom International Airport | 1,596 | -2.0 min | 97.6% | 42 |
| DEN BNA Denver International Airport – Nashville International Airport | 1,628 | 28.4 min | 40.5% | 42 |
| DAL OAK Dallas Love Field – Oakland San Francisco Bay Airport | 2,358 | 14.0 min | 76.2% | 42 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 9 | 9 | 100.0% | 0 |
| November 2024 | 25 | 25 | 80.0% | 0 |
| December 2024 | 28 | 28 | 75.0% | 0 |
| January 2025 | 23 | 23 | 73.9% | 0 |
| February 2025 | 20 | 19 | 89.5% | 1 |
| March 2025 | 20 | 20 | 70.0% | 0 |
| April 2025 | 27 | 27 | 77.8% | 0 |
| May 2025 | 31 | 31 | 87.1% | 0 |
| June 2025 | 29 | 29 | 96.6% | 0 |
| July 2025 | 30 | 29 | 96.6% | 1 |
| August 2025 | 16 | 16 | 68.8% | 0 |
| September 2025 | 13 | 13 | 92.3% | 0 |
| October 2025 | 1 | 1 | 100.0% | 0 |
| November 2025 | 28 | 26 | 53.9% | 2 |
| December 2025 | 31 | 31 | 48.4% | 0 |
| January 2026 | 36 | 34 | 79.4% | 2 |
| February 2026 | 26 | 26 | 53.9% | 0 |
| March 2026 | 15 | 15 | 66.7% | 0 |
| April 2026 | 36 | 36 | 75.0% | 0 |
| May 2026 | 44 | 44 | 45.5% | 0 |
| June 2026 | 24 | 24 | 37.5% | 0 |
| July 2026 | 22 | 22 | 45.5% | 0 |