WN3339
WN3339 (Southwest Airlines) is a multi-stop service on 34 routes, busiest Rochester to Baltimore. Of 651 departures recorded from October 2024 to July 2026, 72.2% left on time, according to the US BTS.
- On-time departures72.2%of 651 flights
- Average delay17.8 min
- July 202631▼ 59.7%vs July 2025
- Cancelled1.5%
- Legs flown under this number34
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 | 15 | 38 | ▲ 153.3% |
| February | 25 | 40 | ▲ 60.0% |
| March | 56 | 32 | ▼ 42.9% |
| April | 16 | 9 | ▼ 43.8% |
| May | 4 | 4 | 0.0% |
| June | 69 | 27 | ▼ 60.9% |
| July | 77 | 31 | ▼ 59.7% |
| August | 45 | – | – |
| September | 39 | – | – |
| October | 10 | – | in progress |
| November | 37 | – | – |
| December | 24 | – | – |
| Year to date (Jan–Jul) | 262 | 181 | ▼ 30.9% |
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 | 93.3% | 75.7% | ▼ 18.9% |
| February | 76.0% | 59.0% | ▼ 22.4% |
| March | 71.4% | 93.6% | ▲ 31.0% |
| April | 62.5% | 100.0% | ▲ 60.0% |
| May | 75.0% | 100.0% | ▲ 33.3% |
| June | 66.2% | 85.2% | ▲ 28.7% |
| July | 61.6% | 100.0% | ▲ 62.2% |
| August | 66.7% | – | – |
| September | 82.1% | – | – |
| October | 50.0% | – | in progress |
| November | 54.3% | – | – |
| December | 58.3% | – | – |
| Year-to-date average (Jan–Jul) | 72.3% | 87.6% | ▲ 21.2% |
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 | 1 | – |
| February | 0 | 1 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 4 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 5 | 3 | ▼ 40.0% |
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 98.5% 641
- Cancelled 1.5% 10
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 |
|---|---|---|---|---|
| ROC BWI Frederick Douglass Greater Rochester International Airport – Baltimore/Washington International Thurgood Marshall Airport | 447 | 14.2 min | 64.3% | 58 |
| PHX SLC Phoenix Sky Harbor International Airport – Salt Lake City International Airport | 818 | 1.5 min | 93.0% | 57 |
| SAN RNO San Diego International Airport – Reno Tahoe International Airport | 787 | 13.2 min | 71.4% | 49 |
| LAS HOU Harry Reid International Airport – William P. Hobby Airport | 1,985 | 28.0 min | 54.6% | 46 |
| DJT ISP President Donald J. Trump International Airport – Long Island MacArthur Airport | 1,696 | 12.0 min | 84.1% | 44 |
| BWI CMH Baltimore/Washington International Thurgood Marshall Airport – John Glenn Columbus International Airport | 541 | 57.4 min | 45.0% | 42 |
| IAD DEN Washington Dulles International Airport – Denver International Airport | 2,332 | 0.8 min | 100.0% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 23 | 23 | 78.3% | 0 |
| November 2024 | 21 | 21 | 76.2% | 0 |
| December 2024 | 9 | 9 | 66.7% | 0 |
| January 2025 | 15 | 15 | 93.3% | 0 |
| February 2025 | 25 | 25 | 76.0% | 0 |
| March 2025 | 56 | 56 | 71.4% | 0 |
| April 2025 | 16 | 16 | 62.5% | 0 |
| May 2025 | 4 | 4 | 75.0% | 0 |
| June 2025 | 69 | 68 | 66.2% | 1 |
| July 2025 | 77 | 73 | 61.6% | 4 |
| August 2025 | 45 | 45 | 66.7% | 0 |
| September 2025 | 39 | 39 | 82.1% | 0 |
| October 2025 | 10 | 10 | 50.0% | 0 |
| November 2025 | 37 | 35 | 54.3% | 2 |
| December 2025 | 24 | 24 | 58.3% | 0 |
| January 2026 | 38 | 37 | 75.7% | 1 |
| February 2026 | 40 | 39 | 59.0% | 1 |
| March 2026 | 32 | 31 | 93.6% | 1 |
| April 2026 | 9 | 9 | 100.0% | 0 |
| May 2026 | 4 | 4 | 100.0% | 0 |
| June 2026 | 27 | 27 | 85.2% | 0 |
| July 2026 | 31 | 31 | 100.0% | 0 |