WN2638
WN2638 (Southwest Airlines) is a multi-stop service on 27 routes, busiest St Louis to Little Rock. Of 577 departures recorded from October 2024 to July 2026, 75.2% left on time, according to the US BTS.
- On-time departures75.2%of 577 flights
- Average delay10.6 min
- July 202619▼ 38.7%vs July 2025
- Cancelled0.9%
- Legs flown under this number27
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 | 26 | 7 | ▼ 73.1% |
| February | 24 | – | – |
| March | 12 | 27 | ▲ 125.0% |
| April | 25 | 34 | ▲ 36.0% |
| May | 33 | 34 | ▲ 3.0% |
| June | 29 | 20 | ▼ 31.0% |
| July | 31 | 19 | ▼ 38.7% |
| August | 35 | – | – |
| September | 34 | – | – |
| October | 18 | – | in progress |
| November | 43 | – | – |
| December | 37 | – | – |
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 | 92.0% | 71.4% | ▼ 22.4% |
| February | 73.9% | – | – |
| March | 50.0% | 96.2% | ▲ 92.3% |
| April | 84.0% | 58.8% | ▼ 30.0% |
| May | 60.6% | 47.1% | ▼ 22.4% |
| June | 62.1% | 80.0% | ▲ 28.9% |
| July | 70.0% | 94.4% | ▲ 34.9% |
| August | 97.1% | – | – |
| September | 82.4% | – | – |
| October | 100.0% | – | in progress |
| November | 76.7% | – | – |
| December | 59.5% | – | – |
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 | 1 | – | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 1 | 0.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| 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 99.1% 572
- Cancelled 0.9% 5
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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| STL LIT St. Louis Lambert International Airport – Bill & Hillary Clinton National Airport/Adams Field | 477 | 5.2 min | 77.9% | 97 |
| SAN HNL San Diego International Airport – Daniel K. Inouye International Airport | 4,201 | 13.9 min | 66.7% | 61 |
| DEN SJC Denver International Airport – Mineta San Jose International Airport | 1,522 | 6.6 min | 87.9% | 58 |
| PIT STL Pittsburgh International Airport – St. Louis Lambert International Airport | 889 | 5.6 min | 78.0% | 50 |
| SNA PHX John Wayne Orange County International Airport – Phoenix Sky Harbor International Airport | 544 | 5.6 min | 80.0% | 45 |
| PIT PHX Pittsburgh International Airport – Phoenix Sky Harbor International Airport | 2,912 | 28.4 min | 52.4% | 42 |
| SJC SNA Mineta San Jose International Airport – John Wayne Orange County International Airport | 550 | 23.3 min | 55.6% | 36 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 40 | 40 | 87.5% | 0 |
| November 2024 | 27 | 27 | 70.4% | 0 |
| December 2024 | 22 | 22 | 72.7% | 0 |
| January 2025 | 26 | 25 | 92.0% | 1 |
| February 2025 | 24 | 23 | 73.9% | 1 |
| March 2025 | 12 | 12 | 50.0% | 0 |
| April 2025 | 25 | 25 | 84.0% | 0 |
| May 2025 | 33 | 33 | 60.6% | 0 |
| June 2025 | 29 | 29 | 62.1% | 0 |
| July 2025 | 31 | 30 | 70.0% | 1 |
| August 2025 | 35 | 35 | 97.1% | 0 |
| September 2025 | 34 | 34 | 82.4% | 0 |
| October 2025 | 18 | 18 | 100.0% | 0 |
| November 2025 | 43 | 43 | 76.7% | 0 |
| December 2025 | 37 | 37 | 59.5% | 0 |
| January 2026 | 7 | 7 | 71.4% | 0 |
| March 2026 | 27 | 26 | 96.2% | 1 |
| April 2026 | 34 | 34 | 58.8% | 0 |
| May 2026 | 34 | 34 | 47.1% | 0 |
| June 2026 | 20 | 20 | 80.0% | 0 |
| July 2026 | 19 | 18 | 94.4% | 1 |