WN611
WN611 (Southwest Airlines) is a multi-stop service on 40 routes, busiest Pittsburgh to Chicago. Of 719 departures recorded from October 2024 to July 2026, 70.4% left on time, according to the US BTS.
- On-time departures70.4%of 719 flights
- Average delay14.2 min
- July 202648▼ 5.9%vs July 2025
- Cancelled0.6%
- Legs flown under this number40
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 | 26 | 27 | ▲ 3.8% |
| February | 20 | 27 | ▲ 35.0% |
| March | 42 | 20 | ▼ 52.4% |
| April | 33 | 34 | ▲ 3.0% |
| May | 31 | 39 | ▲ 25.8% |
| June | 50 | 46 | ▼ 8.0% |
| July | 51 | 48 | ▼ 5.9% |
| August | 36 | – | – |
| September | 30 | – | – |
| October | 18 | – | in progress |
| November | 28 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 253 | 241 | ▼ 4.7% |
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 | 88.5% | 76.9% | ▼ 13.0% |
| February | 95.0% | 66.7% | ▼ 29.8% |
| March | 51.2% | 90.0% | ▲ 75.7% |
| April | 93.9% | 55.9% | ▼ 40.5% |
| May | 93.6% | 51.3% | ▼ 45.2% |
| June | 62.0% | 32.6% | ▼ 47.4% |
| July | 70.0% | 50.0% | ▼ 28.6% |
| August | 77.8% | – | – |
| September | 70.0% | – | – |
| October | 100.0% | – | in progress |
| November | 71.4% | – | – |
| December | 64.5% | – | – |
| Year-to-date average (Jan–Jul) | 79.2% | 60.5% | ▼ 23.6% |
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 | 1 | – |
| February | 0 | 0 | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 1 | ▼ 50.0% |
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 99.4% 715
- Cancelled 0.6% 4
Share of all recorded flights in the period, all legs. · Oct 12, 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 |
|---|---|---|---|---|
| PIT MDW Pittsburgh International Airport – Chicago Midway International Airport | 646 | 4.1 min | 89.8% | 109 |
| AUS LAX Austin Bergstrom International Airport – Los Angeles International Airport | 1,995 | 22.9 min | 66.1% | 59 |
| BNA RDU Nashville International Airport – Raleigh-Durham International Airport | 710 | 10.3 min | 75.0% | 53 |
| LAX SJC Los Angeles International Airport – Mineta San Jose International Airport | 496 | 3.5 min | 85.7% | 49 |
| PHX STL Phoenix Sky Harbor International Airport – St. Louis Lambert International Airport | 2,026 | 8.3 min | 79.4% | 34 |
| HOU ATL William P. Hobby Airport – Hartsfield Jackson Atlanta International Airport | 1,118 | 6.8 min | 81.3% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 19 | 19 | 94.7% | 0 |
| November 2024 | 30 | 30 | 93.3% | 0 |
| December 2024 | 33 | 32 | 84.4% | 1 |
| January 2025 | 26 | 26 | 88.5% | 0 |
| February 2025 | 20 | 20 | 95.0% | 0 |
| March 2025 | 42 | 41 | 51.2% | 1 |
| April 2025 | 33 | 33 | 93.9% | 0 |
| May 2025 | 31 | 31 | 93.6% | 0 |
| June 2025 | 50 | 50 | 62.0% | 0 |
| July 2025 | 51 | 50 | 70.0% | 1 |
| August 2025 | 36 | 36 | 77.8% | 0 |
| September 2025 | 30 | 30 | 70.0% | 0 |
| October 2025 | 18 | 18 | 100.0% | 0 |
| November 2025 | 28 | 28 | 71.4% | 0 |
| December 2025 | 31 | 31 | 64.5% | 0 |
| January 2026 | 27 | 26 | 76.9% | 1 |
| February 2026 | 27 | 27 | 66.7% | 0 |
| March 2026 | 20 | 20 | 90.0% | 0 |
| April 2026 | 34 | 34 | 55.9% | 0 |
| May 2026 | 39 | 39 | 51.3% | 0 |
| June 2026 | 46 | 46 | 32.6% | 0 |
| July 2026 | 48 | 48 | 50.0% | 0 |