New Orleans (MSY) to San Antonio (SAT) flights
Southwest Airlines flies nonstop from Louis Armstrong New Orleans International Airport to San Antonio International Airport, with about 6 flights a week in July 2026. The 495-mile flight takes about 1h 33m gate to gate.
- Distance
- 495 mi · 797 km
- Flight time
- 1h 33m
- Airlines
- 1
- Seats filled
- 66%
Airlines flying MSY to SAT
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 6 | Boeing 737 MAX 8, Boeing 737-700 / MAX 7, Boeing 737-800 | 37,110 | 1h 33m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
MSY to SAT flight schedule
2 flight numbers flew this route in August 2026. The first usually leaves at 5:30pm and the last at 7:50pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| WN 4739Southwest Airlines | 5:30pm | 7:05pm | 4 | n/a |
| WN 3822Southwest Airlines | 7:50pm | 9:25pm | 12 | 33% |
Is MSY to SAT on time?
From September 2025 to August 2026, 76% of 341 flights arrived within 15 minutes of schedule and 0.3% were cancelled. Flights leaving around 1pm were the most punctual (84%), those around 3pm the least (65%). Most delay time was caused by late-arriving aircraft (63%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 341 | 76% | 13 min | 0.3% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 6am to 7am | 12 | 100% | |
| 9am to 10am | 13 | 77% | |
| 1pm to 2pm | 91 | 84% | |
| 2pm to 3pm | 37 | 78% | |
| 3pm to 4pm | 71 | 65% | |
| 4pm to 5pm | 55 | 83% | |
| 5pm to 6pm | 24 | 83% | |
| 7pm to 8pm | 12 | 33% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 23 | 2,280 | |
| September 2025 | 21 | 2,326 | |
| October 2025 | 31 | 3,546 | |
| November 2025 | 30 | 3,440 | |
| December 2025 | 31 | 3,570 | |
| January 2026 | 30 | 2,718 | |
| February 2026 | 35 | 3,678 | |
| March 2026 | 33 | 3,490 | |
| April 2026 | 31 | 2,805 | |
| May 2026 | 30 | 3,210 | |
| June 2026 | 27 | 3,404 | |
| July 2026 | 27 | 2,910 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.