WN591
WN591 (Southwest Airlines) is a multi-stop service on 38 routes, busiest Hartford to Tampa. Of 793 departures recorded from October 2024 to July 2026, 83.6% left on time, according to the US BTS.
- On-time departures83.6%of 793 flights
- Average delay7.4 min
- July 202631▲ 24.0%vs July 2025
- Cancelled0.3%
- Legs flown under this number38
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 | 70 | 31 | ▼ 55.7% |
| February | 79 | 28 | ▼ 64.6% |
| March | 39 | 24 | ▼ 38.5% |
| April | 33 | 29 | ▼ 12.1% |
| May | 33 | 32 | ▼ 3.0% |
| June | 25 | 30 | ▲ 20.0% |
| July | 25 | 31 | ▲ 24.0% |
| August | 35 | – | – |
| September | 34 | – | – |
| October | 27 | – | in progress |
| November | 31 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 304 | 205 | ▼ 32.6% |
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 | 91.3% | 93.6% | ▲ 2.5% |
| February | 74.7% | 100.0% | ▲ 33.9% |
| March | 89.7% | 87.5% | ▼ 2.5% |
| April | 75.8% | 100.0% | ▲ 32.0% |
| May | 54.6% | 90.6% | ▲ 66.1% |
| June | 68.0% | 96.7% | ▲ 42.2% |
| July | 88.0% | 83.9% | ▼ 4.7% |
| August | 88.6% | – | – |
| September | 100.0% | – | – |
| October | 55.6% | – | in progress |
| November | 80.0% | – | – |
| December | 64.5% | – | – |
| Year-to-date average (Jan–Jul) | 77.4% | 93.2% | ▲ 20.3% |
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 | 1 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 0 | ▼ 100.0% |
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 99.7% 791
- Cancelled 0.3% 2
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
10Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 51 | 51 | 86.3% | 0 |
| December 2024 | 55 | 55 | 81.8% | 0 |
| January 2025 | 70 | 69 | 91.3% | 1 |
| February 2025 | 79 | 79 | 74.7% | 0 |
| March 2025 | 39 | 39 | 89.7% | 0 |
| April 2025 | 33 | 33 | 75.8% | 0 |
| May 2025 | 33 | 33 | 54.6% | 0 |
| June 2025 | 25 | 25 | 68.0% | 0 |
| July 2025 | 25 | 25 | 88.0% | 0 |
| August 2025 | 35 | 35 | 88.6% | 0 |
| September 2025 | 34 | 34 | 100.0% | 0 |
| October 2025 | 27 | 27 | 55.6% | 0 |
| November 2025 | 31 | 30 | 80.0% | 1 |
| December 2025 | 31 | 31 | 64.5% | 0 |
| January 2026 | 31 | 31 | 93.6% | 0 |
| February 2026 | 28 | 28 | 100.0% | 0 |
| March 2026 | 24 | 24 | 87.5% | 0 |
| April 2026 | 29 | 29 | 100.0% | 0 |
| May 2026 | 32 | 32 | 90.6% | 0 |
| June 2026 | 30 | 30 | 96.7% | 0 |
| July 2026 | 31 | 31 | 83.9% | 0 |