WN1177
WN1177 (Southwest Airlines) is a multi-stop service on 34 routes, busiest Myrtle Beach to Chicago. Of 710 departures recorded from October 2024 to July 2026, 76.9% left on time, according to the US BTS.
- On-time departures76.9%of 710 flights
- Average delay10.2 min
- July 202619▼ 26.9%vs July 2025
- Cancelled1.1%
- 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 | 28 | 31 | ▲ 10.7% |
| February | 18 | 25 | ▲ 38.9% |
| March | 30 | 31 | ▲ 3.3% |
| April | 35 | 59 | ▲ 68.6% |
| May | 35 | 72 | ▲ 105.7% |
| June | 27 | 21 | ▼ 22.2% |
| July | 26 | 19 | ▼ 26.9% |
| August | 29 | – | – |
| September | 30 | – | – |
| October | 27 | – | in progress |
| November | 31 | – | – |
| December | 33 | – | – |
| Year to date (Jan–Jul) | 199 | 258 | ▲ 29.6% |
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 | 92.3% | 67.9% | ▼ 26.5% |
| February | 100.0% | 80.0% | ▼ 20.0% |
| March | 86.2% | 41.9% | ▼ 51.4% |
| April | 94.3% | 64.4% | ▼ 31.7% |
| May | 82.9% | 48.6% | ▼ 41.3% |
| June | 88.9% | 85.7% | ▼ 3.6% |
| July | 88.0% | 94.7% | ▲ 7.7% |
| August | 57.1% | – | – |
| September | 73.3% | – | – |
| October | 44.4% | – | in progress |
| November | 77.4% | – | – |
| December | 90.9% | – | – |
| Year-to-date average (Jan–Jul) | 90.4% | 69.0% | ▼ 23.6% |
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 | 2 | 3 | ▲ 50.0% |
| February | 0 | 0 | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 4 | 3 | ▼ 25.0% |
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 98.9% 702
- Cancelled 1.1% 8
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
8| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MYR MDW Myrtle Beach International Airport – Chicago Midway International Airport | 1,188 | -0.7 min | 96.1% | 106 |
| BNA MKE Nashville International Airport – General Mitchell International Airport | 766 | 19.1 min | 63.2% | 57 |
| DAL ATL Dallas Love Field – Hartsfield Jackson Atlanta International Airport | 1,158 | 10.0 min | 76.9% | 55 |
| ONT DEN Ontario International Airport – Denver International Airport | 1,316 | 6.6 min | 89.8% | 51 |
| AUS DAL Austin Bergstrom International Airport – Dallas Love Field | 304 | 20.6 min | 53.2% | 47 |
| RSW BNA Southwest Florida International Airport – Nashville International Airport | 1,164 | 7.4 min | 86.7% | 45 |
| IND AUS Indianapolis International Airport – Austin Bergstrom International Airport | 1,479 | -0.8 min | 97.6% | 42 |
| HNL LIH Daniel K. Inouye International Airport – Lihue Airport | 163 | 0.4 min | 87.9% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 41 | 41 | 92.7% | 0 |
| November 2024 | 31 | 31 | 100.0% | 0 |
| December 2024 | 31 | 31 | 100.0% | 0 |
| January 2025 | 28 | 26 | 92.3% | 2 |
| February 2025 | 18 | 18 | 100.0% | 0 |
| March 2025 | 30 | 29 | 86.2% | 1 |
| April 2025 | 35 | 35 | 94.3% | 0 |
| May 2025 | 35 | 35 | 82.9% | 0 |
| June 2025 | 27 | 27 | 88.9% | 0 |
| July 2025 | 26 | 25 | 88.0% | 1 |
| August 2025 | 29 | 28 | 57.1% | 1 |
| September 2025 | 30 | 30 | 73.3% | 0 |
| October 2025 | 27 | 27 | 44.4% | 0 |
| November 2025 | 31 | 31 | 77.4% | 0 |
| December 2025 | 33 | 33 | 90.9% | 0 |
| January 2026 | 31 | 28 | 67.9% | 3 |
| February 2026 | 25 | 25 | 80.0% | 0 |
| March 2026 | 31 | 31 | 41.9% | 0 |
| April 2026 | 59 | 59 | 64.4% | 0 |
| May 2026 | 72 | 72 | 48.6% | 0 |
| June 2026 | 21 | 21 | 85.7% | 0 |
| July 2026 | 19 | 19 | 94.7% | 0 |