WN1166
WN1166 (Southwest Airlines) is a multi-stop service on 33 routes, busiest San Antonio to Las Vegas. Of 770 departures recorded from October 2024 to July 2026, 68.9% left on time, according to the US BTS.
- On-time departures68.9%of 770 flights
- Average delay15.8 min
- July 202644▲ 0.0%vs July 2025
- Cancelled0.7%
- Legs flown under this number33
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 | 36 | 30 | ▼ 16.7% |
| February | 28 | 28 | 0.0% |
| March | 31 | 30 | ▼ 3.2% |
| April | 27 | 29 | ▲ 7.4% |
| May | 26 | 31 | ▲ 19.2% |
| June | 40 | 41 | ▲ 2.5% |
| July | 44 | 44 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 45 | – | – |
| December | 29 | – | – |
| Year to date (Jan–Jul) | 232 | 233 | ▲ 0.4% |
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 | 91.7% | 90.0% | ▼ 1.8% |
| February | 78.6% | 75.0% | ▼ 4.5% |
| March | 93.6% | 70.0% | ▼ 25.2% |
| April | 96.3% | 75.9% | ▼ 21.2% |
| May | 76.0% | 77.4% | ▲ 1.9% |
| June | 55.0% | 32.5% | ▼ 40.9% |
| July | 69.8% | 31.8% | ▼ 54.4% |
| August | 51.6% | – | – |
| September | 46.7% | – | – |
| October | 53.3% | – | in progress |
| November | 70.5% | – | – |
| December | 58.6% | – | – |
| Year-to-date average (Jan–Jul) | 80.1% | 64.7% | ▼ 19.3% |
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 | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 1 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 1 | ▼ 50.0% |
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 99.4% 765
- Cancelled 0.6% 5
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 |
|---|---|---|---|---|
| SAT LAS San Antonio International Airport – Harry Reid International Airport | 1,718 | 8.5 min | 86.7% | 113 |
| BNA MCO Nashville International Airport – Orlando International Airport | 993 | 35.7 min | 54.2% | 60 |
| SMF BOI Sacramento International Airport – Boise Air Terminal/Gowen Field | 703 | 5.8 min | 82.8% | 58 |
| SFO BNA San Francisco International Airport – Nashville International Airport | 3,161 | 22.4 min | 47.4% | 57 |
| SNA OAK John Wayne Orange County International Airport – Oakland San Francisco Bay Airport | 597 | 4.0 min | 85.7% | 50 |
| DCA BNA Ronald Reagan Washington National Airport – Nashville International Airport | 903 | 14.4 min | 71.1% | 46 |
| BNA CLE Nashville International Airport – Cleveland Hopkins International Airport | 721 | 0.7 min | 92.9% | 42 |
| PHX BWI Phoenix Sky Harbor International Airport – Baltimore/Washington International Thurgood Marshall Airport | 3,209 | 5.3 min | 93.9% | 33 |
| MCO MKE Orlando International Airport – General Mitchell International Airport | 1,719 | 26.6 min | 50.0% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 70.0% | 0 |
| November 2024 | 68 | 68 | 85.3% | 0 |
| December 2024 | 51 | 51 | 74.5% | 0 |
| January 2025 | 36 | 36 | 91.7% | 0 |
| February 2025 | 28 | 28 | 78.6% | 0 |
| March 2025 | 31 | 31 | 93.6% | 0 |
| April 2025 | 27 | 27 | 96.3% | 0 |
| May 2025 | 26 | 25 | 76.0% | 1 |
| June 2025 | 40 | 40 | 55.0% | 0 |
| July 2025 | 44 | 43 | 69.8% | 1 |
| August 2025 | 31 | 31 | 51.6% | 0 |
| September 2025 | 30 | 30 | 46.7% | 0 |
| October 2025 | 31 | 30 | 53.3% | 1 |
| November 2025 | 45 | 44 | 70.5% | 1 |
| December 2025 | 29 | 29 | 58.6% | 0 |
| January 2026 | 30 | 30 | 90.0% | 0 |
| February 2026 | 28 | 28 | 75.0% | 0 |
| March 2026 | 30 | 30 | 70.0% | 0 |
| April 2026 | 29 | 29 | 75.9% | 0 |
| May 2026 | 31 | 31 | 77.4% | 0 |
| June 2026 | 41 | 40 | 32.5% | 1 |
| July 2026 | 44 | 44 | 31.8% | 0 |