WN1866
WN1866 (Southwest Airlines) is a multi-stop service on 31 routes, busiest Baltimore to Fort Myers. Of 625 departures recorded from October 2024 to July 2026, 79.7% left on time, according to the US BTS.
- On-time departures79.7%of 625 flights
- Average delay11.7 min
- July 202635▼ 36.4%vs July 2025
- Cancelled0.6%
- Legs flown under this number31
according to the US BTS · Oct 12, 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 | 21 | 15 | ▼ 28.6% |
| February | 41 | 27 | ▼ 34.1% |
| March | 36 | 46 | ▲ 27.8% |
| April | 22 | 32 | ▲ 45.5% |
| May | 17 | 31 | ▲ 82.4% |
| June | 53 | 34 | ▼ 35.8% |
| July | 55 | 35 | ▼ 36.4% |
| August | 31 | – | – |
| September | 26 | – | – |
| October | 38 | – | in progress |
| November | 14 | – | – |
| December | 20 | – | – |
| Year to date (Jan–Jul) | 245 | 220 | ▼ 10.2% |
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 | 71.4% | 66.7% | ▼ 6.7% |
| February | 61.0% | 80.8% | ▲ 32.5% |
| March | 77.1% | 77.8% | ▲ 0.8% |
| April | 100.0% | 81.3% | ▼ 18.8% |
| May | 82.4% | 74.2% | ▼ 9.9% |
| June | 86.8% | 94.1% | ▲ 8.4% |
| July | 92.7% | 91.4% | ▼ 1.4% |
| August | 67.7% | – | – |
| September | 73.1% | – | – |
| October | 71.1% | – | in progress |
| November | 92.9% | – | – |
| December | 68.4% | – | – |
| Year-to-date average (Jan–Jul) | 81.6% | 80.9% | ▼ 0.9% |
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 | 1 | – |
| March | 1 | 1 | 0.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 1 | 2 | ▲ 100.0% |
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 99.4% 621
- 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
88 of 8
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BWI RSW Baltimore/Washington International Thurgood Marshall Airport – Southwest Florida International Airport | 1,483 | 8.9 min | 75.9% | 58 |
| FLL MDW Fort Lauderdale Hollywood International Airport – Chicago Midway International Airport | 1,881 | 3.1 min | 94.7% | 57 |
| HOU PIT William P. Hobby Airport – Pittsburgh International Airport | 1,820 | 17.4 min | 68.0% | 50 |
| PHX ELP Phoenix Sky Harbor International Airport – El Paso International Airport | 557 | 2.8 min | 93.2% | 44 |
| ELP HOU El Paso International Airport – William P. Hobby Airport | 1,087 | 6.2 min | 83.3% | 42 |
| RNO DEN Reno Tahoe International Airport – Denver International Airport | 1,291 | 3.4 min | 88.2% | 34 |
| RNO LGB Reno Tahoe International Airport – Long Beach International Airport | 648 | 7.9 min | 81.3% | 33 |
| BUR LAS Hollywood Burbank/Bob Hope Airport – Harry Reid International Airport | 359 | 11.9 min | 82.8% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 14 | 14 | 100.0% | 0 |
| November 2024 | 6 | 6 | 66.7% | 0 |
| December 2024 | 11 | 11 | 45.5% | 0 |
| January 2025 | 21 | 21 | 71.4% | 0 |
| February 2025 | 41 | 41 | 61.0% | 0 |
| March 2025 | 36 | 35 | 77.1% | 1 |
| April 2025 | 22 | 22 | 100.0% | 0 |
| May 2025 | 17 | 17 | 82.4% | 0 |
| June 2025 | 53 | 53 | 86.8% | 0 |
| July 2025 | 55 | 55 | 92.7% | 0 |
| August 2025 | 31 | 31 | 67.7% | 0 |
| September 2025 | 26 | 26 | 73.1% | 0 |
| October 2025 | 38 | 38 | 71.1% | 0 |
| November 2025 | 14 | 14 | 92.9% | 0 |
| December 2025 | 20 | 19 | 68.4% | 1 |
| January 2026 | 15 | 15 | 66.7% | 0 |
| February 2026 | 27 | 26 | 80.8% | 1 |
| March 2026 | 46 | 45 | 77.8% | 1 |
| April 2026 | 32 | 32 | 81.3% | 0 |
| May 2026 | 31 | 31 | 74.2% | 0 |
| June 2026 | 34 | 34 | 94.1% | 0 |
| July 2026 | 35 | 35 | 91.4% | 0 |