WN2127
WN2127 (Southwest Airlines) is a multi-stop service on 30 routes, busiest Chicago to Dallas. Of 661 departures recorded from October 2024 to July 2026, 76.3% left on time, according to the US BTS.
- On-time departures76.3%of 661 flights
- Average delay12.6 min
- July 202611▼ 59.3%vs July 2025
- Cancelled0.9%
- Legs flown under this number30
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 | 30 | 28 | ▼ 6.7% |
| February | 26 | 27 | ▲ 3.8% |
| March | 30 | 40 | ▲ 33.3% |
| April | 36 | 58 | ▲ 61.1% |
| May | 40 | 61 | ▲ 52.5% |
| June | 26 | 19 | ▼ 26.9% |
| July | 27 | 11 | ▼ 59.3% |
| August | 22 | – | – |
| September | 22 | – | – |
| October | 52 | – | in progress |
| November | 30 | – | – |
| December | 33 | – | – |
| Year to date (Jan–Jul) | 215 | 244 | ▲ 13.5% |
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 | 73.3% | 85.7% | ▲ 16.9% |
| February | 76.9% | 77.8% | ▲ 1.1% |
| March | 96.7% | 64.9% | ▼ 32.9% |
| April | 80.0% | 75.9% | ▼ 5.2% |
| May | 77.5% | 72.1% | ▼ 6.9% |
| June | 88.5% | 73.7% | ▼ 16.7% |
| July | 81.5% | 81.8% | ▲ 0.4% |
| August | 86.4% | – | – |
| September | 90.9% | – | – |
| October | 42.3% | – | in progress |
| November | 85.7% | – | – |
| December | 81.8% | – | – |
| Year-to-date average (Jan–Jul) | 82.1% | 76.0% | ▼ 7.4% |
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 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 3 | – |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 3 | ▲ 200.0% |
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 99.1% 655
- Cancelled 0.9% 6
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 26, 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 |
|---|---|---|---|---|
| MDW DAL Chicago Midway International Airport – Dallas Love Field | 1,277 | 10.3 min | 74.0% | 73 |
| ONT DAL Ontario International Airport – Dallas Love Field | 1,927 | 9.3 min | 85.5% | 64 |
| LAS ALB Harry Reid International Airport – Albany International Airport | 3,591 | 20.3 min | 75.4% | 57 |
| SAN BNA San Diego International Airport – Nashville International Airport | 2,812 | 8.0 min | 83.0% | 53 |
| COS MDW City of Colorado Springs Municipal Airport – Chicago Midway International Airport | 1,473 | 5.7 min | 84.6% | 52 |
| LAS LGB Harry Reid International Airport – Long Beach International Airport | 372 | 18.4 min | 59.2% | 49 |
| DAL BHM Dallas Love Field – Birmingham-Shuttlesworth International Airport | 942 | 5.5 min | 88.1% | 42 |
| DAL MCI Dallas Love Field – Kansas City International Airport | 743 | -0.1 min | 93.8% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 3 | 3 | 33.3% | 0 |
| November 2024 | 15 | 15 | 86.7% | 0 |
| December 2024 | 25 | 25 | 76.0% | 0 |
| January 2025 | 30 | 30 | 73.3% | 0 |
| February 2025 | 26 | 26 | 76.9% | 0 |
| March 2025 | 30 | 30 | 96.7% | 0 |
| April 2025 | 36 | 35 | 80.0% | 1 |
| May 2025 | 40 | 40 | 77.5% | 0 |
| June 2025 | 26 | 26 | 88.5% | 0 |
| July 2025 | 27 | 27 | 81.5% | 0 |
| August 2025 | 22 | 22 | 86.4% | 0 |
| September 2025 | 22 | 22 | 90.9% | 0 |
| October 2025 | 52 | 52 | 42.3% | 0 |
| November 2025 | 30 | 28 | 85.7% | 2 |
| December 2025 | 33 | 33 | 81.8% | 0 |
| January 2026 | 28 | 28 | 85.7% | 0 |
| February 2026 | 27 | 27 | 77.8% | 0 |
| March 2026 | 40 | 37 | 64.9% | 3 |
| April 2026 | 58 | 58 | 75.9% | 0 |
| May 2026 | 61 | 61 | 72.1% | 0 |
| June 2026 | 19 | 19 | 73.7% | 0 |
| July 2026 | 11 | 11 | 81.8% | 0 |