Check Southwest Airlines WN4120 (SWA) Flight Schedule
Stay Updated on your Southwest Airlines WN4120 (SWA) flight status updates here
1h 40m
About Southwest Airlines WN4120 (SWA)
WN4120 (SWA) is a scheduled service operated by Southwest Airlines, connecting Dallas - St. Louis with an average flight time of 1h 40m. It departs from Dallas Love Field Airport (DAL) and arrives at St Louis Lambert International Airport (STL) . Browse real-time schedules, compare fares, and book your seat — all in one place on Airpaz.
Last Updated on
Flight Information Southwest Airlines WN4120 (SWA)
Lowest Fare Month
Dec
Total Destinations
1
Today’s Flight
| Date | Departure | Arrival | Duration | Aircraft |
|---|---|---|---|---|
Thursday 17 September 2026 | 18:30 Dallas Love Field Airport | 20:10 St Louis Lambert International Airport | 1h 40m | Boeing 737-700 |
Upcoming Flight
| Date | Departure | Arrival | Duration | Aircraft |
|---|---|---|---|---|
Friday 18 September 2026 | 18:30 Dallas Love Field Airport | 20:10 St Louis Lambert International Airport | 1h 40m | Boeing 737-700 |
Saturday 19 September 2026 | 18:00 Dallas Love Field Airport | 19:50 St Louis Lambert International Airport | 1h 50m | Boeing 737-700 |
Monday 21 September 2026 | 18:30 Dallas Love Field Airport | 20:10 St Louis Lambert International Airport | 1h 40m | - |
Thursday 24 September 2026 | 18:30 Dallas Love Field Airport | 20:10 St Louis Lambert International Airport | 1h 40m | Boeing 737-700 |
Popular Route from Dallas
Popular Route to St. Louis
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