WN4583
WN4583 (Southwest Airlines) is a multi-stop service on 15 routes, busiest Orlando to Indianapolis. Of 421 departures recorded from October 2024 to July 2026, 71.1% left on time, according to the US BTS.
- On-time departures71.1%of 421 flights
- Average delay15.5 min
- July 202630▼ 11.8%vs July 2025
- Cancelled1.4%
- Legs flown under this number15
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 31 | 28 | ▼ 9.7% |
| February | 28 | 25 | ▼ 10.7% |
| March | 30 | 8 | ▼ 73.3% |
| April | 7 | 4 | ▼ 42.9% |
| May | – | 4 | – |
| June | 30 | 27 | ▼ 10.0% |
| July | 34 | 30 | ▼ 11.8% |
| August | 5 | – | – |
| September | – | – | – |
| October | 30 | – | in progress |
| November | 16 | – | – |
| December | 14 | – | – |
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 periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 58.1% | 88.5% | ▲ 52.4% |
| February | 85.7% | 68.0% | ▼ 20.7% |
| March | 90.0% | 62.5% | ▼ 30.6% |
| April | 85.7% | 50.0% | ▼ 41.7% |
| May | – | 25.0% | – |
| June | 90.0% | 22.2% | ▼ 75.3% |
| July | 94.1% | 20.7% | ▼ 78.0% |
| August | 100.0% | – | – |
| September | – | – | – |
| October | 90.0% | – | in progress |
| November | 46.7% | – | – |
| December | 58.3% | – | – |
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 periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 2 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | – | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 2 | – | – |
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 98.6% 415
- Cancelled 1.4% 6
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 |
|---|---|---|---|---|
| MCO IND Orlando International Airport – Indianapolis International Airport | 1,336 | 13.1 min | 74.2% | 120 |
| FLL HOU Fort Lauderdale Hollywood International Airport – William P. Hobby Airport | 1,538 | 45.1 min | 21.4% | 57 |
| IAD DEN Washington Dulles International Airport – Denver International Airport | 2,332 | 8.4 min | 77.4% | 55 |
| SNA AUS John Wayne Orange County International Airport – Austin Bergstrom International Airport | 1,942 | 5.5 min | 96.1% | 51 |
| LAS MDW Harry Reid International Airport – Chicago Midway International Airport | 2,442 | 0.6 min | 90.6% | 32 |
| STL MCO St. Louis Lambert International Airport – Orlando International Airport | 1,420 | 5.0 min | 90.3% | 31 |
| SAN LAS San Diego International Airport – Harry Reid International Airport | 417 | 25.9 min | 48.2% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 13 | 13 | 84.6% | 0 |
| November 2024 | 27 | 27 | 88.9% | 0 |
| December 2024 | 30 | 30 | 66.7% | 0 |
| January 2025 | 31 | 31 | 58.1% | 0 |
| February 2025 | 28 | 28 | 85.7% | 0 |
| March 2025 | 30 | 30 | 90.0% | 0 |
| April 2025 | 7 | 7 | 85.7% | 0 |
| June 2025 | 30 | 30 | 90.0% | 0 |
| July 2025 | 34 | 34 | 94.1% | 0 |
| August 2025 | 5 | 5 | 100.0% | 0 |
| October 2025 | 30 | 30 | 90.0% | 0 |
| November 2025 | 16 | 15 | 46.7% | 1 |
| December 2025 | 14 | 12 | 58.3% | 2 |
| January 2026 | 28 | 26 | 88.5% | 2 |
| February 2026 | 25 | 25 | 68.0% | 0 |
| March 2026 | 8 | 8 | 62.5% | 0 |
| April 2026 | 4 | 4 | 50.0% | 0 |
| May 2026 | 4 | 4 | 25.0% | 0 |
| June 2026 | 27 | 27 | 22.2% | 0 |
| July 2026 | 30 | 29 | 20.7% | 1 |