WN3181
WN3181 (Southwest Airlines) is a multi-stop service on 22 routes, busiest St Louis to Orlando. Of 684 departures recorded from October 2024 to June 2026, 79.6% left on time, according to the US BTS.
- On-time departures79.6%of 684 flights
- Average delay12.0 min
- June 20263▼ 92.9%vs June 2025
- Cancelled0.4%
- Legs flown under this number22
according to the US BTS · Oct 13, 2024 → Jun 3, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 21 of 21 periods have data
All legs under this number combined; see the leg table.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 31 | 28 | ▼ 9.7% |
| February | 26 | 27 | ▲ 3.8% |
| March | 66 | 31 | ▼ 53.0% |
| April | 39 | 30 | ▼ 23.1% |
| May | 30 | 30 | 0.0% |
| June | 42 | 3 | ▼ 92.9% |
| July | 43 | – | – |
| August | 33 | – | – |
| September | 30 | – | – |
| October | 44 | – | in progress |
| November | 41 | – | – |
| December | 35 | – | – |
| Year to date (Jan–Jun) | 234 | 149 | ▼ 36.3% |
according to the US BTS · October 2024 → June 2026
On-time departures by month
Partial coverage: domestic flights only · 21 of 21 periods have data
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 83.3% | 89.3% | ▲ 7.2% |
| February | 96.2% | 55.6% | ▼ 42.2% |
| March | 65.2% | 50.0% | ▼ 23.3% |
| April | 74.4% | 73.3% | ▼ 1.4% |
| May | 93.3% | 73.3% | ▼ 21.4% |
| June | 88.1% | 100.0% | ▲ 13.5% |
| July | 83.7% | – | – |
| August | 87.9% | – | – |
| September | 86.7% | – | – |
| October | 77.3% | – | in progress |
| November | 85.4% | – | – |
| December | 88.2% | – | – |
| Year-to-date average (Jan–Jun) | 83.4% | 73.6% | ▼ 11.8% |
according to the US BTS · October 2024 → June 2026
Average departure delay by month
Partial coverage: domestic flights only · 21 of 21 periods have data
according to the US BTS · October 2024 → June 2026
Cancelled departures by month
Partial coverage: domestic flights only · 21 of 21 periods have data
The most recent periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | – | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jun) | 1 | 1 | 0.0% |
according to the US BTS · October 2024 → June 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 99.6% 681
- Cancelled 0.4% 3
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jun 3, 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 |
|---|---|---|---|---|
| STL MCO St. Louis Lambert International Airport – Orlando International Airport | 1,420 | 8.0 min | 87.4% | 120 |
| MDW OMA Chicago Midway International Airport – Eppley Airfield | 679 | 6.9 min | 86.2% | 58 |
| MCO PIT Orlando International Airport – Pittsburgh International Airport | 1,345 | 12.5 min | 71.9% | 57 |
| LAX PHX Los Angeles International Airport – Phoenix Sky Harbor International Airport | 595 | -1.5 min | 94.7% | 57 |
| PHX MDW Phoenix Sky Harbor International Airport – Chicago Midway International Airport | 2,319 | 15.5 min | 69.8% | 53 |
| SNA PHX John Wayne Orange County International Airport – Phoenix Sky Harbor International Airport | 544 | 1.1 min | 95.4% | 43 |
| SJC LAS Mineta San Jose International Airport – Harry Reid International Airport | 620 | 9.2 min | 80.6% | 36 |
| DEN CMH Denver International Airport – John Glenn Columbus International Airport | 1,853 | 29.2 min | 57.6% | 33 |
| KOA SMF Ellison Onizuka Kona International Airport at Keāhole – Sacramento International Airport | 3,917 | 17.0 min | 83.9% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 14 | 14 | 71.4% | 0 |
| November 2024 | 29 | 29 | 100.0% | 0 |
| December 2024 | 32 | 32 | 75.0% | 0 |
| January 2025 | 31 | 30 | 83.3% | 1 |
| February 2025 | 26 | 26 | 96.2% | 0 |
| March 2025 | 66 | 66 | 65.2% | 0 |
| April 2025 | 39 | 39 | 74.4% | 0 |
| May 2025 | 30 | 30 | 93.3% | 0 |
| June 2025 | 42 | 42 | 88.1% | 0 |
| July 2025 | 43 | 43 | 83.7% | 0 |
| August 2025 | 33 | 33 | 87.9% | 0 |
| September 2025 | 30 | 30 | 86.7% | 0 |
| October 2025 | 44 | 44 | 77.3% | 0 |
| November 2025 | 41 | 41 | 85.4% | 0 |
| December 2025 | 35 | 34 | 88.2% | 1 |
| January 2026 | 28 | 28 | 89.3% | 0 |
| February 2026 | 27 | 27 | 55.6% | 0 |
| March 2026 | 31 | 30 | 50.0% | 1 |
| April 2026 | 30 | 30 | 73.3% | 0 |
| May 2026 | 30 | 30 | 73.3% | 0 |
| June 2026 | 3 | 3 | 100.0% | 0 |