WN4344
WN4344 (Southwest Airlines) is a multi-stop service on 17 routes, busiest San Juan to Orlando. Of 421 departures recorded from October 2024 to July 2026, 77.1% left on time, according to the US BTS.
- On-time departures77.1%of 421 flights
- Average delay12.5 min
- July 202627▲ 28.6%vs July 2025
- Cancelled0.5%
- Legs flown under this number17
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 | 5 | 31 | ▲ 520.0% |
| February | 7 | 28 | ▲ 300.0% |
| March | 1 | 4 | ▲ 300.0% |
| April | 20 | 13 | ▼ 35.0% |
| May | 28 | 18 | ▼ 35.7% |
| June | 23 | 28 | ▲ 21.7% |
| July | 21 | 27 | ▲ 28.6% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 30 | – | in progress |
| November | 28 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 105 | 149 | ▲ 41.9% |
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 | 80.0% | 76.7% | ▼ 4.2% |
| February | 100.0% | 96.4% | ▼ 3.6% |
| March | 100.0% | 100.0% | 0.0% |
| April | 65.0% | 100.0% | ▲ 53.8% |
| May | 44.4% | 94.4% | ▲ 112.5% |
| June | 60.9% | 50.0% | ▼ 17.9% |
| July | 66.7% | 77.8% | ▲ 16.7% |
| August | 80.7% | – | – |
| September | 83.3% | – | – |
| October | 73.3% | – | in progress |
| November | 92.9% | – | – |
| December | 77.4% | – | – |
| Year-to-date average (Jan–Jul) | 73.9% | 85.0% | ▲ 15.2% |
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 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 1 | 0.0% |
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 99.5% 419
- Cancelled 0.5% 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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SJU MCO Luis Munoz Marin International Airport – Orlando International Airport | 1,913 | 6.8 min | 84.1% | 64 |
| MCI MCO Kansas City International Airport – Orlando International Airport | 1,726 | 5.1 min | 87.9% | 58 |
| MSY BNA Louis Armstrong New Orleans International Airport – Nashville International Airport | 759 | 23.9 min | 63.0% | 54 |
| SMF SAN Sacramento International Airport – San Diego International Airport | 773 | 13.3 min | 82.0% | 50 |
| PHX SFO Phoenix Sky Harbor International Airport – San Francisco International Airport | 1,047 | 27.7 min | 51.0% | 50 |
| RIC DEN Richmond International Airport – Denver International Airport | 2,379 | 17.8 min | 66.7% | 36 |
| SMF LGB Sacramento International Airport – Long Beach International Airport | 624 | -1.6 min | 96.9% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 14 | 14 | 100.0% | 0 |
| November 2024 | 2 | 2 | 100.0% | 0 |
| December 2024 | 1 | 1 | 100.0% | 0 |
| January 2025 | 5 | 5 | 80.0% | 0 |
| February 2025 | 7 | 7 | 100.0% | 0 |
| March 2025 | 1 | 1 | 100.0% | 0 |
| April 2025 | 20 | 20 | 65.0% | 0 |
| May 2025 | 28 | 27 | 44.4% | 1 |
| June 2025 | 23 | 23 | 60.9% | 0 |
| July 2025 | 21 | 21 | 66.7% | 0 |
| August 2025 | 31 | 31 | 80.7% | 0 |
| September 2025 | 30 | 30 | 83.3% | 0 |
| October 2025 | 30 | 30 | 73.3% | 0 |
| November 2025 | 28 | 28 | 92.9% | 0 |
| December 2025 | 31 | 31 | 77.4% | 0 |
| January 2026 | 31 | 30 | 76.7% | 1 |
| February 2026 | 28 | 28 | 96.4% | 0 |
| March 2026 | 4 | 4 | 100.0% | 0 |
| April 2026 | 13 | 13 | 100.0% | 0 |
| May 2026 | 18 | 18 | 94.4% | 0 |
| June 2026 | 28 | 28 | 50.0% | 0 |
| July 2026 | 27 | 27 | 77.8% | 0 |