WN554
WN554 (Southwest Airlines) is a multi-stop service on 46 routes, busiest Tulsa to Denver. Of 856 departures recorded from October 2024 to July 2026, 78.7% left on time, according to the US BTS.
- On-time departures78.7%of 856 flights
- Average delay11.0 min
- July 202659▲ 37.2%vs July 2025
- Cancelled0.6%
- Legs flown under this number46
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 | 38 | 30 | ▼ 21.1% |
| February | 28 | 28 | 0.0% |
| March | 25 | 35 | ▲ 40.0% |
| April | 28 | 31 | ▲ 10.7% |
| May | 31 | 31 | 0.0% |
| June | 42 | 56 | ▲ 33.3% |
| July | 43 | 59 | ▲ 37.2% |
| August | 33 | – | – |
| September | 30 | – | – |
| October | 78 | – | in progress |
| November | 22 | – | – |
| December | 17 | – | – |
| Year to date (Jan–Jul) | 235 | 270 | ▲ 14.9% |
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 | 89.5% | 90.0% | ▲ 0.6% |
| February | 92.6% | 75.0% | ▼ 19.0% |
| March | 68.0% | 68.6% | ▲ 0.8% |
| April | 85.7% | 71.0% | ▼ 17.2% |
| May | 90.3% | 71.0% | ▼ 21.4% |
| June | 78.6% | 53.7% | ▼ 31.7% |
| July | 72.1% | 60.3% | ▼ 16.3% |
| August | 75.8% | – | – |
| September | 86.7% | – | – |
| October | 75.6% | – | in progress |
| November | 85.7% | – | – |
| December | 82.4% | – | – |
| Year-to-date average (Jan–Jul) | 82.4% | 69.9% | ▼ 15.1% |
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 | 0 | – |
| February | 1 | 0 | ▼ 100.0% |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 2 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 3 | ▲ 200.0% |
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% 851
- Cancelled 0.6% 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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| TUL DEN Tulsa International Airport – Denver International Airport | 870 | -2.6 min | 97.7% | 86 |
| TPA ATL Tampa International Airport – Hartsfield Jackson Atlanta International Airport | 655 | 10.5 min | 82.8% | 58 |
| DEN MCI Denver International Airport – Kansas City International Airport | 855 | 4.3 min | 91.4% | 58 |
| HOU AUS William P. Hobby Airport – Austin Bergstrom International Airport | 238 | 5.4 min | 87.7% | 57 |
| PHX OMA Phoenix Sky Harbor International Airport – Eppley Airfield | 1,667 | 28.8 min | 67.3% | 52 |
| BUR SMF Hollywood Burbank/Bob Hope Airport – Sacramento International Airport | 577 | 7.2 min | 72.0% | 50 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 35 | 35 | 94.3% | 0 |
| November 2024 | 60 | 60 | 93.3% | 0 |
| December 2024 | 76 | 76 | 88.2% | 0 |
| January 2025 | 38 | 38 | 89.5% | 0 |
| February 2025 | 28 | 27 | 92.6% | 1 |
| March 2025 | 25 | 25 | 68.0% | 0 |
| April 2025 | 28 | 28 | 85.7% | 0 |
| May 2025 | 31 | 31 | 90.3% | 0 |
| June 2025 | 42 | 42 | 78.6% | 0 |
| July 2025 | 43 | 43 | 72.1% | 0 |
| August 2025 | 33 | 33 | 75.8% | 0 |
| September 2025 | 30 | 30 | 86.7% | 0 |
| October 2025 | 78 | 78 | 75.6% | 0 |
| November 2025 | 22 | 21 | 85.7% | 1 |
| December 2025 | 17 | 17 | 82.4% | 0 |
| January 2026 | 30 | 30 | 90.0% | 0 |
| February 2026 | 28 | 28 | 75.0% | 0 |
| March 2026 | 35 | 35 | 68.6% | 0 |
| April 2026 | 31 | 31 | 71.0% | 0 |
| May 2026 | 31 | 31 | 71.0% | 0 |
| June 2026 | 56 | 54 | 53.7% | 2 |
| July 2026 | 59 | 58 | 60.3% | 1 |