WN1317
WN1317 (Southwest Airlines) is a multi-stop service on 46 routes, busiest Portland to Baltimore. Of 908 departures recorded from October 2024 to July 2026, 74.2% left on time, according to the US BTS.
- On-time departures74.2%of 908 flights
- Average delay11.7 min
- July 202636▲ 33.3%vs July 2025
- Cancelled0.9%
- Legs flown under this number46
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 | 90 | 31 | ▼ 65.6% |
| February | 65 | 28 | ▼ 56.9% |
| March | 58 | 39 | ▼ 32.8% |
| April | 32 | 52 | ▲ 62.5% |
| May | 27 | 59 | ▲ 118.5% |
| June | 25 | 37 | ▲ 48.0% |
| July | 27 | 36 | ▲ 33.3% |
| August | 36 | – | – |
| September | 38 | – | – |
| October | 30 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 324 | 282 | ▼ 13.0% |
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 | 91.0% | 90.0% | ▼ 1.1% |
| February | 86.2% | 77.8% | ▼ 9.7% |
| March | 82.8% | 94.9% | ▲ 14.6% |
| April | 50.0% | 69.2% | ▲ 38.5% |
| May | 74.1% | 64.4% | ▼ 13.0% |
| June | 88.0% | 25.0% | ▼ 71.6% |
| July | 92.6% | 60.0% | ▼ 35.2% |
| August | 58.3% | – | – |
| September | 73.7% | – | – |
| October | 63.3% | – | in progress |
| November | 93.1% | – | – |
| December | 64.5% | – | – |
| Year-to-date average (Jan–Jul) | 80.7% | 68.8% | ▼ 14.8% |
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 | 1 | 1 | 0.0% |
| February | 0 | 1 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 4 | ▲ 300.0% |
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 99.1% 900
- Cancelled 0.9% 8
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
99 of 9
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PWM BWI Portland International Jetport – Baltimore/Washington International Thurgood Marshall Airport | 727 | 13.5 min | 72.4% | 58 |
| BNA SJC Nashville International Airport – Mineta San Jose International Airport | 3,126 | 15.5 min | 67.2% | 58 |
| ONT DEN Ontario International Airport – Denver International Airport | 1,316 | 3.2 min | 92.3% | 52 |
| ISP TPA Long Island MacArthur Airport – Tampa International Airport | 1,665 | 12.3 min | 64.0% | 50 |
| MCO PVD Orlando International Airport – Rhode Island T. F. Green International Airport | 1,728 | 6.6 min | 88.9% | 47 |
| DAL JAX Dallas Love Field – Jacksonville International Airport | 1,457 | 29.2 min | 35.0% | 41 |
| MDW SDF Chicago Midway International Airport – Louisville Muhammad Ali International Airport | 437 | -0.6 min | 91.9% | 37 |
| SAV BNA Savannah Hilton Head International Airport – Nashville International Airport | 672 | 14.8 min | 72.7% | 33 |
| BNA PHX Nashville International Airport – Phoenix Sky Harbor International Airport | 2,326 | 17.4 min | 63.3% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 35 | 35 | 88.6% | 0 |
| November 2024 | 50 | 49 | 61.2% | 1 |
| December 2024 | 52 | 51 | 68.6% | 1 |
| January 2025 | 90 | 89 | 91.0% | 1 |
| February 2025 | 65 | 65 | 86.2% | 0 |
| March 2025 | 58 | 58 | 82.8% | 0 |
| April 2025 | 32 | 32 | 50.0% | 0 |
| May 2025 | 27 | 27 | 74.1% | 0 |
| June 2025 | 25 | 25 | 88.0% | 0 |
| July 2025 | 27 | 27 | 92.6% | 0 |
| August 2025 | 36 | 36 | 58.3% | 0 |
| September 2025 | 38 | 38 | 73.7% | 0 |
| October 2025 | 30 | 30 | 63.3% | 0 |
| November 2025 | 30 | 29 | 93.1% | 1 |
| December 2025 | 31 | 31 | 64.5% | 0 |
| January 2026 | 31 | 30 | 90.0% | 1 |
| February 2026 | 28 | 27 | 77.8% | 1 |
| March 2026 | 39 | 39 | 94.9% | 0 |
| April 2026 | 52 | 52 | 69.2% | 0 |
| May 2026 | 59 | 59 | 64.4% | 0 |
| June 2026 | 37 | 36 | 25.0% | 1 |
| July 2026 | 36 | 35 | 60.0% | 1 |