WN1556
WN1556 (Southwest Airlines) is a multi-stop service on 28 routes, busiest Orlando to Denver. Of 717 departures recorded from October 2024 to July 2026, 79.0% left on time, according to the US BTS.
- On-time departures79.0%of 717 flights
- Average delay11.4 min
- July 202617▼ 74.2%vs July 2025
- Cancelled0.6%
- Legs flown under this number28
according to the US BTS · Oct 13, 2024 → Jul 29, 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 | 30 | 32 | ▲ 6.7% |
| February | 24 | 28 | ▲ 16.7% |
| March | 24 | 19 | ▼ 20.8% |
| April | 34 | 27 | ▼ 20.6% |
| May | 41 | 30 | ▼ 26.8% |
| June | 60 | 18 | ▼ 70.0% |
| July | 66 | 17 | ▼ 74.2% |
| August | 37 | – | – |
| September | 34 | – | – |
| October | 26 | – | in progress |
| November | 40 | – | – |
| December | 45 | – | – |
| Year to date (Jan–Jul) | 279 | 171 | ▼ 38.7% |
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 | 89.3% | 84.4% | ▼ 5.5% |
| February | 91.7% | 92.9% | ▲ 1.3% |
| March | 87.5% | 79.0% | ▼ 9.8% |
| April | 90.9% | 55.6% | ▼ 38.9% |
| May | 90.2% | 70.0% | ▼ 22.4% |
| June | 73.3% | 44.4% | ▼ 39.4% |
| July | 77.3% | 64.7% | ▼ 16.3% |
| August | 83.8% | – | – |
| September | 81.8% | – | – |
| October | 92.3% | – | in progress |
| November | 62.5% | – | – |
| December | 55.6% | – | – |
| Year-to-date average (Jan–Jul) | 85.7% | 70.1% | ▼ 18.2% |
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 | 2 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 0 | ▼ 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% 713
- Cancelled 0.6% 4
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 29, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
99 of 9
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MCO DEN Orlando International Airport – Denver International Airport | 2,486 | 3.1 min | 95.7% | 93 |
| LAS BUR Harry Reid International Airport – Hollywood Burbank/Bob Hope Airport | 359 | 25.2 min | 50.0% | 64 |
| MCI TPA Kansas City International Airport – Tampa International Airport | 1,687 | 3.2 min | 94.8% | 58 |
| PIT BNA Pittsburgh International Airport – Nashville International Airport | 743 | 23.1 min | 59.7% | 57 |
| MDW LAS Chicago Midway International Airport – Harry Reid International Airport | 2,442 | 13.3 min | 86.0% | 51 |
| BUR PHX Hollywood Burbank/Bob Hope Airport – Phoenix Sky Harbor International Airport | 593 | 8.8 min | 83.7% | 50 |
| ELP PHX El Paso International Airport – Phoenix Sky Harbor International Airport | 557 | 14.3 min | 66.7% | 42 |
| AUS ELP Austin Bergstrom International Airport – El Paso International Airport | 849 | 7.6 min | 78.6% | 42 |
| MSY HOU Louis Armstrong New Orleans International Airport – William P. Hobby Airport | 485 | 2.2 min | 88.9% | 37 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 16 | 16 | 81.3% | 0 |
| November 2024 | 30 | 30 | 100.0% | 0 |
| December 2024 | 39 | 39 | 89.7% | 0 |
| January 2025 | 30 | 28 | 89.3% | 2 |
| February 2025 | 24 | 24 | 91.7% | 0 |
| March 2025 | 24 | 24 | 87.5% | 0 |
| April 2025 | 34 | 33 | 90.9% | 1 |
| May 2025 | 41 | 41 | 90.2% | 0 |
| June 2025 | 60 | 60 | 73.3% | 0 |
| July 2025 | 66 | 66 | 77.3% | 0 |
| August 2025 | 37 | 37 | 83.8% | 0 |
| September 2025 | 34 | 33 | 81.8% | 1 |
| October 2025 | 26 | 26 | 92.3% | 0 |
| November 2025 | 40 | 40 | 62.5% | 0 |
| December 2025 | 45 | 45 | 55.6% | 0 |
| January 2026 | 32 | 32 | 84.4% | 0 |
| February 2026 | 28 | 28 | 92.9% | 0 |
| March 2026 | 19 | 19 | 79.0% | 0 |
| April 2026 | 27 | 27 | 55.6% | 0 |
| May 2026 | 30 | 30 | 70.0% | 0 |
| June 2026 | 18 | 18 | 44.4% | 0 |
| July 2026 | 17 | 17 | 64.7% | 0 |