WN2603
WN2603 (Southwest Airlines) is a multi-stop service on 32 routes, busiest Denver to Pittsburgh. Of 616 departures recorded from October 2024 to July 2026, 73.1% left on time, according to the US BTS.
- On-time departures73.1%of 616 flights
- Average delay13.3 min
- July 202617▼ 75.0%vs July 2025
- Cancelled1.0%
- Legs flown under this number32
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 | 7 | 36 | ▲ 414.3% |
| February | 4 | 32 | ▲ 700.0% |
| March | 13 | 32 | ▲ 146.2% |
| April | 14 | 32 | ▲ 128.6% |
| May | 12 | 31 | ▲ 158.3% |
| June | 57 | 18 | ▼ 68.4% |
| July | 68 | 17 | ▼ 75.0% |
| August | 34 | – | – |
| September | 30 | – | – |
| October | 71 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 175 | 198 | ▲ 13.1% |
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 | 71.4% | 90.9% | ▲ 27.3% |
| February | 25.0% | 75.0% | ▲ 200.0% |
| March | 91.7% | 59.4% | ▼ 35.2% |
| April | 100.0% | 75.0% | ▼ 25.0% |
| May | 100.0% | 83.9% | ▼ 16.1% |
| June | 71.9% | 55.6% | ▼ 22.8% |
| July | 68.7% | 64.7% | ▼ 5.8% |
| August | 61.8% | – | – |
| September | 65.5% | – | – |
| October | 64.8% | – | in progress |
| November | 80.0% | – | – |
| December | 64.5% | – | – |
| Year-to-date average (Jan–Jul) | 75.5% | 72.1% | ▼ 4.6% |
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 | 3 | – |
| February | 0 | 0 | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 3 | ▲ 50.0% |
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 99.0% 610
- Cancelled 1.0% 6
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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DEN PIT Denver International Airport – Pittsburgh International Airport | 2,071 | 11.8 min | 71.9% | 64 |
| LAS HNL Harry Reid International Airport – Daniel K. Inouye International Airport | 4,441 | 5.5 min | 82.8% | 58 |
| DEN PHX Denver International Airport – Phoenix Sky Harbor International Airport | 968 | 14.0 min | 64.9% | 58 |
| BZN DEN Bozeman Yellowstone International Airport – Denver International Airport | 844 | 15.0 min | 85.1% | 47 |
| BWI BHM Baltimore/Washington International Thurgood Marshall Airport – Birmingham-Shuttlesworth International Airport | 1,096 | 26.3 min | 71.4% | 43 |
| BHM LAS Birmingham-Shuttlesworth International Airport – Harry Reid International Airport | 2,598 | 34.1 min | 62.8% | 43 |
| LAS SMF Harry Reid International Airport – Sacramento International Airport | 639 | 25.4 min | 64.7% | 34 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 11 | 11 | 72.7% | 0 |
| November 2024 | 20 | 20 | 95.0% | 0 |
| December 2024 | 16 | 16 | 93.8% | 0 |
| January 2025 | 7 | 7 | 71.4% | 0 |
| February 2025 | 4 | 4 | 25.0% | 0 |
| March 2025 | 13 | 12 | 91.7% | 1 |
| April 2025 | 14 | 14 | 100.0% | 0 |
| May 2025 | 12 | 12 | 100.0% | 0 |
| June 2025 | 57 | 57 | 71.9% | 0 |
| July 2025 | 68 | 67 | 68.7% | 1 |
| August 2025 | 34 | 34 | 61.8% | 0 |
| September 2025 | 30 | 29 | 65.5% | 1 |
| October 2025 | 71 | 71 | 64.8% | 0 |
| November 2025 | 30 | 30 | 80.0% | 0 |
| December 2025 | 31 | 31 | 64.5% | 0 |
| January 2026 | 36 | 33 | 90.9% | 3 |
| February 2026 | 32 | 32 | 75.0% | 0 |
| March 2026 | 32 | 32 | 59.4% | 0 |
| April 2026 | 32 | 32 | 75.0% | 0 |
| May 2026 | 31 | 31 | 83.9% | 0 |
| June 2026 | 18 | 18 | 55.6% | 0 |
| July 2026 | 17 | 17 | 64.7% | 0 |